Ultra Amateurish Thoughts on “Optimal Fiscal Policy in a Liquidity Trap (Ultra-Wonkish)”
Paul Krugman argued that optimal fiscal policy in a liquidity trap targets unemployment equal to the non accelerating inflation rate of unemployment (NAIRU). He uses a model with Ricardian equivalence. This means that the public debt does not affect consumption. When he wrote his post, I said I thought his conclusion depended on this assumption. […]