The weak economic recovery in the U.S. and the even weaker performance in much of Europe have renewed calls for ending budget austerity and returning to larger fiscal deficits. Curiously, this plea for more fiscal expansion fails to offer any proof that Organization for Economic Cooperation and Development (OECD) countries that chose more budget stimulus have performed better than those that opted for more austerity. Similarly, in the American context, no evidence is offered that past U.S. budget deficits (averaging 9% of GDP between 2009 and 2011) helped to promote the economic recovery.

Two...