A non-linear model is applied where suddenly strong spurts of exports occur when changes of the exchange rate go beyond a zone of inaction. We call the latter a "play" area-analogous to mechanical play and implement an algorithm describing path-dependent play-hysteresis into a regression...

Monetary policy rules have been considered as fundamental protection against inflation. However, empirical evidence for a correlation between rules and inflation is relatively weak. In this paper, we first discuss likely causes for this weak link and present the argument that monetary commitment...