This note reviews the four central parity conditions that underlie most theories regarding the relationship between exchange rates, inflation, and interest rates. The concepts are illustrated through a unified example exploring the relation between the US dollar and the Norwegian krone. The note...

This paper reconciles the persistence of aggregate real exchange rates with the faster adjustment of international relative prices in microeconomic data. Panel estimation of an error correction model using a micro data set uncovers new stylized facts regarding this puzzle. First, adjustment to...