And now for something off the beaten path. As the title implies, while the rest of the world is transfixed on the usual bubble candidates in traditional asset classes, two of the bubbles currently brewing well beneath the radar are a second derivative on the uber-wealthy class in China and Hong Kong, which appears to have a very disproprionate impact on spending patterns for ultra luxury goods, in this case cognac and Swiss watches. Not only that, but investing in these up and coming bubbles has some useful externalities: one can drink cognac, while a Swiss watch can be melted into its constituent gold or platinum once the inevitable hyperinflation finally hits. Alternatively, as these are some of the most marginal products available, any changes in consumption patterns here will be the first indication that the Asian party is ending...
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Source: Goldman