Searching for yield

Bubble, Bubble, Toil and Trouble: What's a policymaker to do?

With key central bank policy rates stuck at the zero bound (or below!), investors in Europe, Japan, and the United States are searching for yield under every rock (see, for example, the charts below on S&P500 prices and earnings). That is, they are willing to accept small gains on their investments because they see little risk that their cost of funding will rise significantly for a long time...
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