We analyze and quantify the determinants of asymmetric shocks showing up in the form of medium-term real exchange rate (RER) changes. First, we discuss sources of asymmetric shocks causing exchange rate variability and the role of the RER as a shock generator. Second, we use data for 21 advanced...

The concept of an optimum-currency-area (or OCA) index has often been used to assess the relative proximity of various pairs of economies to the ideal of an optimum currency area. In this paper, we suggest improving the construction of the index in several ways, primarily by making it sensitive...