This article relates to the choice of the optimal monetary policy during a currency crisis. Aghion, Bacchetta and Banerjee (1999, 2000, 2001) show that a restrictive monetary policy is optimal if economy is strongly in debt in foreign currency and if the effect of credit channel is weak....

In this paper, I developed a new cost channel of monetary policy transmission in a small scale, dynamic, general equilibrium model. The new cost channel of monetary policy transmission implies that the frequency of price adjustment increases in the nominal interest rate. I found that allowing...

Models in which pricing decisions depend on indexing or rule of thumb behaviour have become prominent in the monetary policy literature and tend to match macroeconomic data well given their prediction of inflation persistence. The extent to which firms index their prices to past inflation has...