""Of All the Economic Bubbles that have been pricked," the editors of the Economist recently observed, "few have burst more spectacularly than the reputation of economics itself." Indeed, the financial crisis that crested in 2008 destroyed the credibility of the economic thinking that had guided...

"This paper uses a model with a continuum of equilibrium unemployment rates to explore the effectiveness of fiscal policy. The existence of multiple steady state unemployment rates is explained by the absence of markets for the inputs to a search technology for matching unemployed workers with...