Testing Krugman’s late-2008 prediction that the Obama stimulus was too small and would eventually be seen as relatively ineffective

In his blog today, Paul Krugman pointed to several of his earlier predictive columns. This has relieved me of the chore of hunting them down, for which I am grateful. Here is Krugman’s initial math on the size of fiscal stimulus that would be needed to be effective. Here’s his analysis of the stimulus package right after it became law, where he looked behind the numbers to explain that it was not the “massive” stimulus some were describing. And here’s his take on how early data were confirming that it was too small to meet the need.