Arnold Kling tentatively postulates that central banks can, at most, select between a low-stable inflation regime and a high-variable inflation regime. Bryan Caplan proposes a quick test, which I hereby supply. Below are some scatterplots of inflation variance versus inflation means for 176 countries. The data is from the World Bank, which gets it from [...]

Tags: Caplan, IMF, inflation, Kling, monetary policy, World Bank
1 Comment »