A crisis provides an opportunity to examine how an economy works under pathological conditions. What are the lessons? Markets work well most of the time. That said, the global financial crisis has weakened faith in the market's self-equilibrating qualities. Fiscal policy works well to offset...

A crisis provides an opportunity to examine how an economy works under pathological conditions. What are the lessons? Markets work well most of the time. That said, the global financial crisis has weakened faith in the market’s self-equilibrating qualities. Fiscal policy works well to offset...