What explains the difference in returns between stocks and bonds?
One theory is that the difference in returns is due to the safety of bonds when consumption declines (the so called ‘risk premium’ is built into stock returns). One of the issues with testing this hypothesis is that the most commonly quoted measure of consumption, the National Income and Product Account, is too nonvolatile to explain the risk premium on its own. Alexi Savov, a grad-student at Chicago, has produced a fascinating look at using residential garbage production in order to take a closer look at the correlation between stock returns and consumption.
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