Some authors have argued that multiplicative uncertainty may benefit society as the cautionary motive reduces the inflation bias. However, when there are non-atomistic wage setters, higher multiplicative uncertainty may raise the wage premium and unemployment and thus reduce welfare....

The correlation between persistent changes in the markup in one sector of an economy and the inflation rate is quantified in a 2-sector dynamic general equilibrium model. How this relationship is affected by monetary policy is also studied. We find that the correlation is in general positive...

Monetary policy affects the degree of strategic complementarity in firms pricing decisions if it responds to the aggregate price level. In normal times, when monopolistic competitive firms increase their prices, the central bank raises interest rates, which lowers consumption demand and creates...