In this paper I examine issues of optimal stabilization in two types of world economy, a competitive one where all countries are small, and one where there is a Stackelberg leader. The focus is on the 1985 target zones proposal of Williamson, according to which there should be a periodic fixing...

The recent theory of exchange rate dynamics within a target zone holds that exchange rates under a currency band are less responsive to fundamental shocks than exchange rates under a free float, provided that the intervention rules of the Central Bank(s) are common knowledge. These results are...

We examine the daily exchange rate dynamics in selected EU new member states (Czech Republic, Poland, Romania, and Slovakia) using GARCH and TARCH models between 1999 and 2004. We show that these countries tried to reduce volatility of the spot exchange rate despite their official policy of free...

Consider the problem of a central bank that wants to manage the exchange rate between its domestic currency and a foreign one. The central bank can purchase and sell the foreign currency, and each intervention on the exchange market leads to a proportional cost whose instantaneous marginal value...

The impact of monetary policy in large advanced countries on emerging market economies—dubbed spillovers—is hotly debated in global and national policy circles. When the U.S. resorted to unconventional monetary policy, spillovers on asset prices and capital flows were significant,...