By looking at how an East Asian currency moves when the yen fluctuates sharply against the US dollar, we sometimes find that the reaction has been much more significant than would be suggested by the econometric estimates of the weight of the yen in nominal exchange rate determination. Moreover,...

This paper discusses conceptual and operational issues related to regional surveillance for East Asia, which is a topic that has assumed considerable prominence in recent months. The need for regional surveillance is both immediate and evolving. For the immediate need, a surveillance mechanism...