But Have We Learned Enough?

The Fed and the Treasury Department, intent on avoiding the early policy inaction that let the Depression unfold, have been working hard to keep credit flowing. But the financial situation they face is, arguably, more difficult than that of the 1930s. Then, the problem was largely a crisis of confidence and a shortage of liquidity. Today, the problem may be more a shortage of solvency, which is harder to solve.

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The three researchers show that the leading economists at the time, at competing forecasting services run by Harvard and Yale, were caught completely by surprise by the severity and length of the Great Depression. What’s worse, despite many advances in the tools of economic analysis, modern economists armed with the data from the time would not have forecast much better. In other words, even if another Depression were around the corner, you shouldn’t expect much advance warning from the economics profession.