Fiscal policy worked – evidence
At the end of 2008 and into 2009, as the real sectors in our economies were starting to experience the aggregate demand collapses instigated by the banking crisis, most governments took steps to stop the meltdown from becoming the next Depression. At times, the unwinding private spending looked to be pushing the world to those depths. So after years of eschewing active fiscal policies, governments suddenly rediscovered the fiscal keyboard key and in varying magnitudes pushed fairly large expenditure injections into their economies. Most of the mainstream economists who had been teaching their students for years that this would be futile were silent because they had to hide out in shame given their textbook models could neither explain how we got into the mess nor how to get out of it. But there were some notable exceptions from Harvard and Chicago who came out attacking governments for being profligate. They claimed their models would demonstrate that the fiscal interventions would come to nothing (Barro, Becker, Taylor all were leading this charge). Lesser lights, then emboldened, joined the throng screaming that proponents of the stimulus strategy should provide evidence. Well the evidence has been mounting and the conservatives should just lock their office doors and go home to their families in shame.