El-Erian Breaches The Final Frontier: What Happens If Central Banks Fail?

"In the last three plus years, central banks have had little choice but to do the unsustainable in order to sustain the unsustainable until others do the sustainable to restore sustainability!" is how PIMCO's El-Erian introduces the game-theoretic catastrophe that is potentially occurring around us. In a lecture to the St.Louis Fed, the moustachioed maestro of monetary munificence states "let me say right here that the analysis will suggest that central banks can no longer – indeed, should no longer – carry the bulk of the policy burden" and "it is a recognition of the declining effectiveness of central banks’ tools in countering deleveraging forces amid impediments to growth that dominate the outlook. It is also about the growing risk of collateral damage and unintended circumstances." It appears that we have reached the legitimate point of – and the need for – much greater debate on whether the benefits of such unusual central bank activism sufficiently justify the costs and risks.

This is not an issue of central banks’ desire to do good in a world facing an “unusually uncertain” outlook. Rather, it relates to questions about diminishing returns and the eroding potency of the current policy stances. The question is will investors remain "numb and sedated…. by the money sloshing around the system?"



Today, I will ignore the professor’s advice in multiple ways. I will speak in a central bank and to central bankers about the role of their institutions – particularly the Federal Reserve and the European Central Bank – in today’s highly complex, perplexing and historically unusual policymaking environment. I will go further and try to link actions to motivations. And, when it comes to implications, I will attempt to put forward questions and hypotheses that, I believe, are critical for the future of the U.S. and global economies but for which I, like others, have only partial answers.

I do all this for a reason. I believe that, whether you look at the U.S. or Europe, central banks have essentially been the only policymaking entities consistently willing and able to take bold measures to deal with an unusually complex set of national, regional and global economic and financial challenges. In doing so, they have evaluated, to use Chairman Bernanke’s phrase, an “unusually uncertain outlook;”3 they have confronted some unknowable cost-benefit equations and related economic and political trade-offs; and, in some cases, they have even had to make things up as they go along (including moving way ahead of other government agencies that, frustratingly, have remained on the sideline).

The result of all this is a global configuration of previously unthinkable monetary policy parameters. While their immediate effects may be known, the longer term ones are less clear, and yet they are important for the wellbeing of millions around the world. Moreover, there is already evidence to suggest that the impact could well alter for years some of the behavioral relationships that underpin the traditional formulation and effectiveness of the trio of policies, business plans and financial investment positioning. Accordingly, it is critical that all of us – policy makers, business leaders, investors and researchers – work to understand why so many unthinkables have become facts, why the outlook remains unusually uncertain, and what changes are needed to limit the risks of further disruptions and bad surprises down the road.

For those who are eager to get to the bottom line of my presentation, let me say right here that the analysis will suggest that central banks can no longer – indeed, should no longer – carry the bulk of the policy burden. This is not a question of willingness or ability. Rather, it is a recognition of the declining effectiveness of central banks’ tools in countering deleveraging forces amid impediments to growth that dominate the outlook. It is also about the growing risk of collateral damage and unintended circumstances.

It is high time for other agencies, in both the public and private sector, to step up to the plate. They should – indeed, must – use their better-suited instruments to help lift impediments to sustainable non-inflationary growth and job creation. In other words, it is about improving the prospects for higher economic activity and, therefore, “safe de-leveraging.”

This is not to say that central banks will no longer have an important role. They will. Specifically, in what may gradually morph into an increasingly bi-modal distribution of expected outcomes in some parts of the world (such as Europe), central banks could find themselves in one of two extremes: At one end, they may end up complementing (rather than trying to substitute imperfectly for) policies by other agencies that put the global economy back on the path of high sustained growth and ample job creation. At the other end, they may find themselves having to clean up in the midst of a global recession, forced de-leveraging and disorderly debt deflation.

Finally, there is a real question about how the overall global system will evolve. Most agree that its Western core is weakened and multilateralism is challenged. As a result, the system is likely to struggle to accommodate the development breakout phase in systemically important emerging economie and absorbing the de-leveraging of finance-dependent advanced countries. What is yet to be seen is whether the outcome will be a bumpy transition to a more multi-polar global system, or the healing and re-assertion of a uni-polar one.

The key hypothesis

To crystallize our conversation today, allow me to use a very – and I stress very – clumsy sentence to summarize the current state of affairs: In the last three plus years, central banks have had little choice but to do the unsustainable in order to sustain the unsustainable until others do the sustainable to restore sustainability!

To translate this purposely awful sentence:

  • Central banks have had to innovate and stretch policy tools and mandates, including the use of liquidity facilities and communication, to render less disorderly a set of fundamental multi-year economic and financial re-alignments.
  • While initially successful – indeed, critical to avoid a global depression – the policy stance, both here in the United States and over the Atlantic in Europe, appears now to increasingly involve an unfavorable change in the balance between what Chairman Bernanke has labeled as the “benefits, costs and risks.”
  • Having built a bridge for other policymakers and for healthy balance sheets in the private sector, central banks must now hope that a more timely, comprehensive and effective response will finally be forthcoming (and push for it, as appropriate).
  • Should this fail to materialize, central banks risk finding themselves having built expensive bridges to nowhere and, accordingly, will come under severe pressure with implications for the future of central banking itself, as well as for the welfare of economies at the national, regional and global levels.
  • Meanwhile, the ripple effects from central bank policies will increasingly be felt in the functioning and, in some cases, viability of whole segments of the financial markets – thus adding to the need for both public and private entities to become more intellectually and operationally agile.


A brief and incomplete snapshot of the unusual activism of central banks

The best way to get a handle on the unusual activism of central banks is to look at Chart 1. Central banks in advanced economies have ballooned their balance sheets to previously unthinkable levels – be it an astonishing 20% of GDP for the Fed or 30% for the ECB.
These unprecedented – indeed, improbable – numbers have been accompanied by other steps also deemed unthinkable not so long ago. In the case of the Fed, the securities purchase program (QE2) has been supplemented by operation “twist” and the aggressive use of the communication tool, including signaling that economic conditions “are likely to warrant exceptionally low levels for the federal funds rate at least through late 2014.”5 The FOMC has also disseminated individual members’ forecasts for key macro variables and the policy rate.6
The ECB, not so long ago considered a “Germanic” central bank, has undertaken a range of quasi-fiscal operations – from outright purchases of sovereign bonds under its SMP, including those subject to material credit/default risk, to a relaxation of collateral requirements and the extension to three years in the maturity of a massive 1% “liquidity” facility (the LTROs, or long-term refinancing operations). Having said this, the ECB has been less willing than some other central banks to take credit risk completely out of the market.
In assessing all this, and for presentational simplicity, we can think of central banks as having been involved in two distinct, but of course inter-related, operations since the breakout of the global financial crisis in 2007/08: first, crisis management, including minimizing the risk of a liquidity sudden stop (and related market failures) translating into a major economic depression; and second, maximizing the prospects for a resumption in growth, employment and inflation containment.
The first dealt primarily with the functioning of markets while the second spoke to targeting economic outcomes. Let us discuss each in turn.
The context

The first set of actions, be it the series of emergency facilities activated by the Fed in late 2008/early 2009 or the steps taken by the ECB back then and again more recently, were aimed at breaking the back of a particularly nasty set of multiple equilibria – what Olivier Blanchard, the chief economist at the IMF, described as “self-fulfilling outcomes of pessimism or optimism, with major macroeconomic implications.”
Think here of the series of path-dependent outcomes that have usually occurred in the debt crises experienced by emerging economies. As shown in a recent paper,10 the underlying dynamics combine endogenous expectation formation with influences on behavior and hence market outcomes. These dynamics are subject to overshoots in the absence of credible circuit breakers. Specifically, a move to a bad (good) outcome increases the probability of a subsequent movement to an even worse (better) situation. It becomes even more difficult for policymakers to agree on the analysis, let alone the solutions. Meanwhile, the social and political costs increase in a non-linear fashion, making it even harder to recover quickly.
The emphasis in such situations is to boldly break the path-dependent dynamics; and to do so by directing emergency policy measures to address specific market failures as well as strengthening firewalls. General Colin Powell’s doctrine is often used here as a guiding principle, including its important qualifier about avoiding costly entanglements via plausible exit strategies alongside a clear intention for such interventions to be both temporary and reversible.
This phase was highly effective in the U.S. Think of the Commercial Paper Financing Facility (CPFF) and other measures deployed in the fourth quarter of 2008 and the first quarter of 2009. Starting from where large and multiplying market failures were fueling sudden stops around the world, these policy measures contributed to a return of a more “normal” functioning of markets and, as such, both the disturbance and the policy measures proved largely temporary and reversible, thereby allowing for a handoff back to the private sector.
In Europe, the outcome has been more mixed. The ECB’s ample liquidity provisions, and in particular the powerful 3-year LTROs, have had a significant impact on bank liquidity and meaningful segments of the sovereign debt markets. Yet they are not a panacea for insolvency risk, exit risk and insufficient growth. As a result, some market segments remain impaired. Too many participants still prefer to face the ECB as a counterparty, as opposed to facing each other. Moreover, with the debt crisis still ongoing and bank fragility not yet eliminated, it is too early to make a definitive assessment.
Now for the experience with the second phase – that aimed at securing certain economic outcomes.

In the U.S., outcomes have generally disappointed, both in an absolute sense and, equally importantly, relative to the expectations of policymakers themselves. Just witness the frustrating persistence of unemployment at a very high rate (Charts 2 and 3), and the very disturbing long-term component (Chart 4).

As a result, talk last year about policy “exit” quickly gave way to an intensification of measures aimed at stimulating growth – be it the launch of another round of “unconventional” measures or the unprecedented use of communication. Indeed, as shown in Chart 5, the 2011-12 pivot in the FOMC narrative has been quite remarkable.

Interestingly, this was not related to the Fed’s ability to influence market valuations in a significant manner and for a substantial period of time. Indeed, the Fed has repeatedly been able to turbo-charge the equity markets and those for other risk assets (e.g., high yield bonds); it has also simultaneously influenced the market for U.S. Treasuries (Chart 6) via financial repression.11 The problem had to do with the transmission to the real economy. Despite higher valuations, the hoped-for impact on economic activity, be it through the wealth effect or “animal spirits,” has not materialized in the anticipated scale and scope. 

The situation in Europe has been even more disappointing. Most economic and financial indicators in the intense crisis countries, particularly Greece, have fallen short of program expectations. As a result, it has taken time for official intervention to reduce contagion risk. And it is not just countries such as Italy and Spain that were affected and faced the risk of liquidity disruptions turning into solvency problems. The disruptions also extended to the core of the eurozone as France lost one of its AAA ratings and CDS spreads also widened there and in other core economies (Chart 7). Even the region’s powerhouse, Germany, risks some erosion in its ability to reap the fruits of years of sustained structural reforms.
Europe’s slowness in dealing decisively with its debt crisis means that some banks there continue to confront legitimate questions about asset quality and capital adequacy. And while the ECB has taken care of most of the liquidity concerns via generous facilities, this alone cannot fully restore the normal functioning of the European banking system.
All this does not speak to the willingness and ability of central banks. Rather, it relates to the limited effectiveness that comes from the inevitably of having to deploy an imperfect, and at times experimental policy tool kit in the face of substantial and unusual challenges.
The reality

While central banks can – and have – stabilized things, there is little they can do on their own to engineer the fundamental realignments that must accommodate seven specific dynamics in advanced economies (something that we will come back to later in discussing the way forward):

  • Accommodating the “safe” debt de-leveraging of the private sector by enabling high sustained growth
  • Safely de-risking the financial sector
  • Clearing or replacing clogged credit pipes
  • Achieving a sustainable trajectory for public finances
  • Improving the functioning of the labor market
  • Compensating for inadequate past investments in human resources, productive capacity and infrastructure
  • Adjusting to the ongoing developmental breakout phase in several systemically important emerging countries (including Brazil, China, India and Indonesia).

To be effective, central banks in advanced economies needed – and need – help from other policymaking entities to deal with the twin unfortunate reality of too much debt and too little growth. They must be assisted with the engagement of the healthy balance sheets around the world, and fortunately there are quite a few of them in both the public and private sectors. And this must be done in an internationally coordinated fashion in order to accommodate the new global realities.

Central banks have received very little help – coordinated or otherwise – from other policy agencies. Moreover, until recently, too many of these agencies were inadvertently complicating the tasks of central banks. The contrast reflects a handful of factors:

  • Many central banks – especially the Fed and ECB – are endowed with an element of agility that most other entities lack. And autonomous/independent institutions inherently have the ability to move faster than elected fiscal chambers; they also are able to move quicker than most other regulatory agencies.
  • Also, these other government agencies have often failed to recognize the severity of the issues under their domain and to step up to the plate accordingly (such as in the areas of housing, housing finance and public finance).
  • Related to all this, few in government seem willing to make the range of required decisions on how realized and prospective principal losses should be allocated and, accordingly, the configuration of burden sharing.
  • Faced with such difficult decisions, some political systems have displayed more interest in bickering and dithering than coming together on key policy initiatives, producing an unusually dysfunctional and paralyzing situation.
  • The private sector has been unwilling to undertake sufficient long-term financial commitments in a world that is subject to so many moving economic, political and regulatory pieces.


These national failures were compounded by weak policy coordination at the global and regional levels. Finger pointing replaced the harmony achieved at the G-20 meeting held in April 2009 in London. This was accentuated by a distinct lack of common analysis, as well as an IMF that is still too structurally impaired to fully step into the void.

Europe was hobbled by an additional element – challenges to a “unified sovereign” process that results in cumbersome decision making among, first, the 17 members of the eurozone and, second, the larger EU collective. This political reality has severely delayed meaningful early progress toward dealing with problems that were not adequately considered in the establishment of the eurozone. And, as hard as it has tried, the ECB does not have the ability to influence what at times is a dysfunctional political discussion among the politicians.

The outcomes: Benefits, costs and risks

Put all this together and it should come as no surprise that, having spectacularly succeeded in avoiding a global depression, central banks have subsequently faced difficulties in delivering their desired economic and financial outcomes. Yet they essentially have continued on the same policy path, raising the question of whether they are subject to the trap of “active inertia.”

As argued by Dan Sull, active inertia has historically tripped many successful companies, and poses a constant threat to others. Faced with a paradigm shift, companies respond, but too often do so on the basis of what ends up being an outmoded and ineffective mindset.

Importantly, what is at play here is not the inability to recognize a paradigm change in a timely basis; nor is it the lack of appreciation that action is needed. Rather it is the combination of such factors as inadequate strategic framing and inappropriate anchoring. The result is understandable difficulty in adjusting the set of approaches, procedures and conventional wisdoms that previously had served the institution well.

Having succeeded in sharply curtailing the catastrophic risk of a global depression, the challenge for unusual central bank activism is now extending beyond the inability to deliver economic outcomes. There are also genuine concerns that such activism involves a range of collateral damage and unintended consequences, only some of which are visible at this stage. And there will be questioning whether all this continues to be justified by central banks’ impact on the overall economy.

Already, there are visible changes to the characteristics and functioning of certain markets. As an example, consider what is happening to the money markets segment.

With policy interest rates floored at zero for such an extended period of time (past and also prospectively, according to recent FOMC statements), this segment will continue to shrink – and will do so mostly from the supply side. Funds are being re-intermediated to the banking sector, with quite a portion ending up in excess reserves at the Fed. In the process, borrowers that previously depended on money market investors (think here of commercial paper issuers as an example) are having to find alternative sources of funding.

The pension industry is also increasingly challenged. At current rates, the extent of underfunding is becoming even more systemic and is only being partially compensated by the increase in equity prices.

This will serve to accelerate a discussion that will be held in many circles in advanced economies: how to deal with the host of promises that were made at a very different economic time and that can no longer be met fully.

The functioning of markets is also changing given the size and scope of central bank involvement. The result is artificial pricing, lower liquidity and a more cumbersome price discovery process. Moreover, participants will tell you that there are signs that the intermediaries have shifted a meaningful part of their balance sheet availability – away from making markets for private sector clients to positioning for both the public sector’s primary issuance and buy back activities – a perfectly rational move given that the latter has more certainty at a time of general uncertainty.

Every time central banks buy government bonds, they do more than take duration out of the marketplace (and credit/ default risk in the specific case of the ECB’s SMP). In the case of three institutions in particular (the Bank of England, the Bank of Japan and the Fed), they also change the balance between “safe” and other assets in the financial system13. This has implications for collateral flows and values, as well as market positioning.

There are also implications for the behavior of market participants. The essence here was captured well in a recent investor remark reported by Bloomberg: “Investors are numb and sedated…. by the money sloshing around the system.”14

When we discuss the impact on the functioning of markets, it is important to remember that, in game theoretic terms, central banks are “non-commercial players.” Their motivations and objectives differ from those of other market participants that are driven by P&L considerations. They pursue non-commercial objectives; they possess a printing press at their command; and they have “structural patience” that far exceeds the ability of any other participants to remain in the trade. As such their large involvement in markets cannot but alter their functioning and what constitutes rational behavior on the part of participants.

As demonstrated in the earlier chart (Chart 6), the previously widespread notion of a “Greenspan put” for equities has now been replaced with that of a “Bernanke put” for both equities and bonds. You will thus find a significant number of investors referring to the repeated revealed preference of the Fed as an indication that the institution is de facto committed to supporting asset valuations until they are warranted by fundamentals. In Europe, ECB-influenced moral hazard trades seem quite prevalent based on casual empiricism, and especially after the LTROs.

Put differently, a view has evolved that the “trading” segment of markets, whose focus is understandably short-term, is now dominating the “investment” segment. This is consistent with data on market activity, how cash is allocated, and the succession of “risk on” and “risk off” sentiment. The problem with this for the economy relates to the risk that capital allocation is distorted on both sides of the Atlantic.

I suspect that businesses and investment committees around the world are spending an unusual amount of time discussing what central banks are likely to do next. In too many cases, this discussion may overshadow those on fundamental trends, product design and relative value opportunities. In the meantime, the incentive to self insure against certain outcomes increases, making it harder to sustainably crowd in long-term capital.

The recurring willingness of central banks to inject liquidity is also seen by some to be a contributor to higher commodity prices, especially oil and precious metals – if not directly, then indirectly by encouraging a move of financial investments into the “real asset category” which also includes TIPs (see Charts 8 and 9 for related move in inflation breakevens and real rates). As real and perceived risks of liquidity-induced inflation rise, a larger number of investors also opt for commodities as a hope for protecting real purchasing power. As a result, in targeting “good inflation” (namely, higher asset prices that, in turn, lead to greater investment and consumption and, accordingly, better economic outcomes), central banks have been accused of contributing to “bad inflation” (including stagflationary headwinds caused by higher commodity prices) and, ultimately, greater challenges to consumption, investment, growth and job creation.

As the sizeable liquidity injections cannot be fully absorbed, there is always the risk that they “leak” through the balance of payments. Indeed, several emerging economies have vocally complained about surges in capital inflows that severely complicate their own domestic economic management. The result is an intensification of currency pressures for such countries such as Brazil that have already warned of the risk of a “currency war.”16
A recent article in the Wall Street Journal noted, “In Brazil, the government officials blame the U.S. and Europe for lowering interest rates, and sending a wave of speculative cash its way, overvaluing its currency and hurting its competitiveness.”17 Indeed, the greater the activism of the Fed (in particular), the greater the dilemma facing other countries – either they follow the Fed or resist but, at the risk of larger distortions to their own economy.
Martin Wolf, the highly respected economic commentator at the Financial Times, elegantly posed the dilemma as follows a couple of years ago: Given the opposing initial conditions for advanced countries and emerging ones, a policy tug of war was likely to develop in which the Fed would seek to de facto force a reluctant and resisting rest of the world into reflation. This would be faced initially by resistance which, de facto, involves deflationary forces.18
According to Wolf, this is a contest that America would win. And, so far, he is correct. A number of central banks have found themselves joining the de facto QE parade. For advanced countries, this has included both Switzerland and Japan. In the case of the former, it has involved a dramatic tweak to the “brand” of the country as the “safe haven” for financial assets; and in the case of the latter, it has involved a central bank whose governor had left no doubt in the past about his feelings about QE.19
Emerging economies have also been forced into monetary easing – often seen there as the less bad of a series of unfortunate choices prompted by advanced countries’ central banks continuing to act “irresponsibly” (and certainly in a manner that was deemed inappropriate when the emerging economies faced their own dislocations in the 1980s, mid and late 1990s, and early 2000s). In recent weeks, we have seen a series of monetary policy easing, including measures by Brazil, Chile, China, India, Indonesia, Philippines, Vietnam and others.
More controversial is what happens to credit at the zero bound – something that my colleague and PIMCO’s founder, Bill Gross, has been writing about recently.20 At some stage, zero rates combined with residual risk premium shifts inwards the supply of loanable funds to such an extent that it undermines maturity extension and the willingness to take on credit and liquidity risk. Zero rates also serve to complicate security lending, further undermining the “plumbing operations” that support liquidity and the sound functioning of markets.
Finally, and most controversial, the unusual activism of central banks may, at the margin, have worsened further wealth distribution. This has to do with the distribution and composition of financial wealth – in absolute terms and relative to labor income. To the extent that such policy activism succeeds in bolstering asset valuations but not the real economy, the rich benefit disproportionately more than the poor.

The reaction function and possible motivations

So far, there is only limited evidence that these factors are affecting the behavior of central banks. This is not to say that recognition is lacking. It is not.
Some central banks, including the Fed and the Bank of England, have signaled their understanding of these costs and risks. This is particularly the case for the impact on pensions, money markets and savers who rely upon fixed income.
In the case of the Fed, Chairman Bernanke has noted that the FOMC is “looking” at these factors. He has added, however, that such externalities should be considered in the context of the need to heal the overall economy and return it to a path of high and sustained growth.21 And the success that the Fed has had in cutting the horrid left tail of a debt and price deflation speaks to the importance of considering such macro issues.
The case of the Bank of England could well be more nuanced at this stage. There has been active speculation about what prompted the Bank of England to announce on February 10th of this year GBP 50 billion in additional purchases of gilts coupled with a reduction in targeted duration. Was it an improving domestic outlook; or was it the damage inflicted on the pension industry by the previous QE programs, as well as the scale of gilts already on the central bank’s balance sheet?
Then there is the ECB. The dynamics there are much more complicated, especially as the constituent national central banks hold a range of views (and are subject to increased balance sheet dispersion). What is undeniable is the repeated discomfort expressed by Germany’s Bundesbank, the most influential of the national banks. At times, this has resulted in public tensions with the ECB, as has the vocal involvement of politicians from both core and peripheral countries.
So what explains the willingness of central banks to persist with an approach that, first, has disappointed in terms of outcomes and, second, is associated with such a range of collateral damage and unintended consequences?
Many sitting here today are much better placed to answer this question. Indeed, analysts and observers would greatly welcome your insights on this. In the meantime, let me share with you some of the chatter in the marketplace and its implications.

Let us recognize upfront what it is not in play.

This is not about the lack of recognition on the part of central banks that they are far away from a policy of “first best.” Instead, they are dealing with difficult and highly unusual challenges using imperfect instruments. This is reflected in numerous comments made by officials on both sides of the Atlantic.
It has been suggested that the main driver of the unusual central bank activism is the combination of two factors: first, the overwhelming priority of avoiding a global economic depression and financial meltdown; and second, the belief that the response to uncertainty should not be paralysis. Together they call for repeated policy experimentation, including the incremental adaptations of the policy instruments that are available.
It has also been suggested that, with other essential policymakers missing in action (or, in the specific case of Europe, insufficiently and inconsistently engaged), it would be morally wrong for central banks to also remain on the sidelines – especially as they enjoy much greater operational flexibility and, importantly, are subject to fewer short-term checks and balances from the political system.
Finally, some argue that the central banks have reason to believe that their actions will be followed by appropriate activism on the part of other government agencies, as well as the engagement of healthy balance sheets residing in the private sector. As such, central banks’ bridges will prove effective.
I suspect that most if not all of these factors are in play. But they are associated with a considerable risk – that of maintaining an approach that is declining in expected net benefits yet continues to take pressure off other agencies (and politicians), all of whom are more than happy to leave the central banks in the spotlight. They are being let off the hook. Rather than be viewed as having a shared responsibility, these entities would rather have central banks be perceived as owning the solution to a really complex configuration of economic, financial, institutional, political and social challenges.

Looking forward

Turning from the past and present to the future, there hypotheses are worth noting upfront:

  • There are reasons to believe that we may be nearing the limits of net effectiveness when it comes to the current set of central bank policies;
  • Simultaneously and not unconnected, several advanced economies may be experiencing a morphing in the probability curve for expected macroeconomic outcomes – from the past of a traditional bell shaped curve to the present of a flatter distribution with fatter tails to a bimodal distribution; and
  • Regardless of how actuality materializes relative to this bi-modal morphing of expected outcomes, we are facing some major legacy issues whose consequences are, as yet, hard to specify with a sufficient degree of conviction and foundation.

Whether in the U.S. or Europe, government yield curves are essentially floored at exceptionally low rates up to around the five year point (arguably the segment of the yield curve that has the most impact on economic activity). It is also increasingly uncertain whether, at the current set of market valuations, central banks can rely just on asset purchase programs as a means of enticing investors into doing things that they would not be doing on the basis of fundamentals. Sustainability for investors is more a function of being pulled into an investment due to its inherent attractiveness rather than being pushed into it by central banks’ artificial manipulation of relative prices. Finally, there is the political angle. The unusual activism of central banks, and especially components that are viewed to come close to quasi-fiscal operations, are naturally attracting greater attention, including calls to de facto (and in some cases de jure) subject them to greater parliamentary oversight.

All this comes at a time when we should expect the collateral damage of central bank activism to increase. As noted earlier, this is a multi-faceted issue, involving the wellbeing of certain sectors, the viability of historic contracts and perceived entitlements, and the very functioning of markets. And while we do not know where the exact tipping points are, few wish to get too close to them.

To put it bluntly, there are now multiple reasons to worry about central banks expensive (and expansive!) policy bridges risking to end up as bridges to nowhere. In other words, there is a growing possibility that, absent mid course corrections, unsustainability may by the common characteristics of the central banks’ unusual policy activism.

Please recall the earlier discussion of the seven dynamics driving the fundamental structural realignments facing advanced economies. This is the economic context in which central banks need to pivot from the unsustainable to the sustainable. And to do so, they urgently need the cooperation of other government agencies that are better placed to address what are increasingly structural impediments to growth, jobs and better income and wealth distribution; and they need positively correlated behavior on the part of the private sector.

In the U.S., Fed measures need to be supplemented by actions in the following key areas: the labor market, public finances, housing and housing finance, credit intermediation, education and investment in social sectors and infrastructure. For the sake of brevity, let us focus here on a subset.

While the unemployment rate has come down in recent months – and we can argue endlessly about how much was due to genuine job creation rather than an avoidable decline in the labor participation rate – it is hard to deny that the structural rigidities are considerable, persistent and consequential.

Recall that, according to the Bureau of Labor Statistics, the number of long-term unemployed in the U.S. has been stuck at around 5 ½ million.24 The longer the duration of joblessness, the greater the risk of skill erosion and the greater the headwinds to productivity and prosperity. Or note the worrisome indicator of youth unemployment. Some 24% of 16 to19 year olds in the labor force are unemployed: At that age, persistent joblessness can turn someone from being unemployed to being unemployable. Or note the sharp dispersion in the unemployment rates for different levels of education: from 4% for those with bachelor degrees to 13% for those without a high school diploma.

Central bank actions cannot deal with these issues. Simply put, these institutions do not have the instruments or expertise to deal with the challenges of labor training and retooling. They cannot improve labor market flexibility and mobility. And they cannot impact the country’s education system. Yet these challenges should, indeed must, be successfully confronted if we are to avoid the curse of unemployment becoming deeply embedded in the structure of the economy and, therefore, much harder to solve.

Put housing and housing finance in the same category of importance as the labor market. There will be no durable and healthy economic recovery unless America deals with an issue that affects wealth, labor mobility, market clearing dynamics, the rule of law, and the willingness of fresh capital to engage.

Once again, there isn’t much that the Fed can do beyond advocacy (something that it has been doing via speeches and a white paper).25 We all have to look elsewhere for an actual set of durable and effective policy measures.

Then, of course, there is the state of public finances. This is critical to both the immediate and longer-term well-being of the country.

Fed officials have not been shy in emphasizing the importance of striking the right balance between immediate stimulus and longer-term fiscal reform that involves both spending and revenues. Just a few weeks ago on the Hill, Chairman Bernanke warned congress of the dangers of a “massive fiscal cliff, as well as longer-term issues of fiscal sustainability.”26 Yet, here again, advocacy alone does not seem to go far enough. America needs both the Treasury and its politicians, especially in Congress, to get much more serious.

The ECB is in a similar dilemma – indeed, more pronounced and, certainly, more urgent. It cannot deliver debt solvency and international competitiveness to peripheral economies such as Greece. Unless it is helped by others, there is likely to be a limit out there to how long it can, on its own, stop a liquidity problem in Italy and Spain raising concerns again about solvency one. And it can advocate for a stronger eurozone core but can do little to secure, to use French President Sarkozy’s word, the “refounding” of Europe.

Whether the ECB officials like it or not – and I would venture they do not – history books will judge the success of their unusual activism based on what other policymakers end up doing. In the meantime, Europe, like too many other advanced economies, is experiencing a consequential morphing in the shape of the distribution for expected macroeconomic outcomes.

Expected distribution of possible outcomes

I suspect that a good portion of policy making, and I know that important underpinnings of conventional portfolio management, are based on a traditional bell curve governing the distribution of expected outcomes. As some of my colleagues have written, including Rich Clarida and Vineer Bhansali, things change quite a bit when this is no longer the case.

The morphing of expectation distributions is most advanced in Europe. Given the extent to which the dislocations in the periphery have contaminated the core, it is hard to see how the eurozone can maintain the status quo of the last two years. Instead, one of two scenarios may play out over time.

Either European leaders are able to regain control of the situation and put the “project” on a much stronger structural and financial footing (either in its current configuration or via a smaller, stronger and more coherent one); or they risk losing total control and see this important construct fall victim to disorderly fragmentation with significant costs not only for Europe, but also for virtually every country around the world.

This potentially places the ECB in an equally unsettling bimodal situation. Either it sees its bold efforts of recent years supplemented and reinforced by better policymaking elsewhere, thereby also engaging fresh private sector capital that can serve as oxygen for the real economy and facilitate the resolution of the twin problem of too much debt and too little growth. Or it may find itself having to help clean up a series of bank disruptions, a disorderly collapse in the demand curve for European assets (including government bonds) and, most worrisome of all, a messy return to national currencies.

The situation in the U.S. is less extreme, leaving the U.S. for now more exposed to a “muddle through” scenario (though the underlying dynamics are not totally dissimilar).

Policymakers here are in a better position to regain control of outcomes. By addressing the impediments listed earlier, they can encourage the engagement of significant idle private capital and place the economy back on the road of higher growth, greater job creation, financial soundness and less worrisome trends in income and wealth inequality. However, if they continue to dither and bicker, structural impediments will grow, will become more deeply entrenched in the construct of the economy and will further undermine policy flexibility and effectiveness.

This has implications for Fed policy. In one mode, the Fed sees its unusual policy activism rewarded and ends up retaining sufficient popular and political support to allow it to pursue its dual objectives in an effective manner. In the other mode, the very independence of the Fed could be severely threatened, and its policy activism could end up inadvertently associated with either stagflation or, even worse, debt deflation and recession.

What transpires in America and Europe is extremely consequential for virtually every country in the world and every market. It is not just about the largest two economic regions and, therefore, systemic demand, financial and network effects. It is also about the eventual construct of the global economy.

The functioning of today’s global economy is still dominated by what is best described as a concentric circles construct. Despite its recent economic and financial challenges, the West occupies the inner circle and essentially anchors the outer circles.

This western-anchored core provides the major global public goods, has a disproportionate impact on policy agenda and still dominates multilateral forums. While several of those in the outer circles have grown stronger, none are in a position to move into the inner circle, nor do they wish to.

The traditional concentric construct underpinning the international monetary system persists if the weakening of the core is alleviated in the short-term, and meaningfully reversed over the longer term. This only happens if the Fed and ECB are supported in their policymaking role by other agencies, and in a manner that is consistent with the developmental breakout phase of systemically important emerging economies. Absent that, it is more likely that the world would transition in a messy fashion to a multi-polar construct whose functioning, as yet, is unclear and whose implications are uncertain though most certainly consequential.

Concluding remarks

After diffusing a material threat of a global depression, central banks in the advanced economies did a good job in maintaining a certain status quo in the midst of too much debt, too little growth, too much inequality, and an historic global economic realignment. Critically, they succeeded in their overwhelming priority of avoiding an economic depression. Concurrently, they reduced the risk of market overshoots and disruptive multiple equilibrium dynamics, thereby alleviating well-founded concerns about extreme negative tail risk events, including a renewed financial meltdown.

This success involved the unprecedented use of tools available to central banks. In the process, central banks stretched like never before in the era of modern central banking the very concept of a monetary institution. And while the benefits were immediate in the crisis management phase, they have been less consistent when it it comes to securing certain economic outcomes. Also they have come at a potential cost and with risks. They are also serving to alter behavioral relationships, change market functioning and modify the configuration of certain market segments.

I think that we have reached the legitimate point of – and the need for – much greater debate on whether the benefits of such unusual central bank activism sufficiently justify the costs and risks. This is not an issue of central banks’ desire to do good in a world facing an “unusually uncertain” outlook. Rather, it relates to questions about diminishing returns and the eroding potency of the current policy stances.

Fundamentally, what is increasingly in play today is the set of challenges facing central banks’ tool kit in a world that also confronts meaningful structural (as opposed to just cyclical) and solvency headwinds. This is about the balance between continued benefits and unintended consequences/collateral damage. It also speaks to the extent to which the crutches of unusual central bank activism risk being treated as substitutes for actions by other policymaking entities, politicians, businesses and capital markets.

In sum, it is about the concept of sustainability – not only for economies but also for central banks as healthy, credible and politically robust institutions in our national, regional and global economies.

Where the global economy goes from here will depend less on the actions of central banks and more on whether others, including other government agencies and private sector participants that have the ability to act but lack sufficient willingness to do so, finally step up to the plate. Only with the supportive actions of others can central banks pivot – away from using the unsustainable to sustain the unsustainable, and toward a better equilibrium for them and for the global economy (i.e., sustainability).

The need for others to step up to the plate does not mean that central banks are off the hook. Quite the contrary.

In the period ahead, central banks will need to consider how best to navigate what may increasingly morph over time into a bi-modal distribution for expected economic outcomes, especially in Europe. They could also find themselves countering even more complicated self-insurance behavior on the part of the private sector. And the political context could get more difficult.

Rather than lead the parade of advanced nations – which they have done so skillfully and boldly since the outbreak of the global financial crisis – central banks risk find themselves increasingly in the position of followers. And they will do so in the context of uncertainties about the overall construct of a global economy that is now operating with a weaker traditional core but no ready and able substitutes.

The welfare of millions in the United States, if not billions of people around the world, will have suffered greatly if central banks end up in the unpleasant position of having to clean up after a parade of advanced nations that headed straight into a global recession and a disorderly debt deflation. Let us therefore hope that central banks will, instead, find themselves part of a much broader policy effort headed toward high sustainable growth, ample job creation, less income and wealth inequality and financial soundness.