Over the past decade and a half Axel Leijonhufvud has written extensively on monetary regimes and their connection to nominal and real economic performance. Monetary regimes are important because they determine whether countries follow stable or unstable monetary policies and hence have stable...

Theories of rules and discretion have become a corner stone in the formulation of macroeconomic policy. They suggest that monetary policy rules are first best in terms of social welfare. However, if commitment is not feasible, delegating monetary policy to an independent and conservative central...