Foreign exchange markets regularly display severe bubbles. This paper explores whether or not so-called target zone interventions are an effective tool for central banks to stabilize the exchange rate. We define such intervention operations as buying/selling an undervalued/overvalued currency...

Sterilized foreign exchange market interventions are commonly dismissed by economists as an ineffective policy instrument. Nevertheless many central banks operating under independently floating exchange rates regimes are often engaged in sales and purchases of foreign exchange in order to...

Central banks frequently intervene in foreign exchange markets to reduce volatility or to correct misalignments. Such operations may be successful if they drive away destabilizing speculators. However, the speculators do not simply vanish but may reappear on other foreign exchange markets. Using...

The paper aims to develop understanding of why and how central banks have intervened in foreign exchange markets, and whether intervention was (i) coordinated, (ii) sterilized, and (iii) effective. The experience in the G-3 context is compared with the past EMS experience. In addition to foreign...

This paper explores the effects of the recent interventions of the Bank of Japan on the level and volatility of the yen/dollar exchange rate. A special attention is devoted to the prominent features affecting the signal conveyed by these interventions. The results show a clear duality: small...

For Portugal, the transition to the Euro began in September 1989 and featured three successive institutional arrangements related to the Exchange Rate Mechanism of the European Monetary System: shadowing it, belonging to it with 6% and then with 15% fluctuation bands. Using daily data, we study...

Nowadays foreign exchange interventions occur in emerging market economies whereas empirical studies on interventions mainly refer to advanced economies. However, interventions in emerging markets are different from those in advanced economies: they occur "regularly" and central banks have...

The adoption of a managed regime assumes that interventions are relatively successful. However, while some authors consider that foreign exchange interventions are ineffective, arguing that domestic and foreign assets are close substitutes, others advocate their use and maintain that their...

Capital controls and intervention in the foreign exchange market are two controversial policy options that many countries have adopted in the past in order to influence the exchange rate and moderate capital flows. Colombia has a long record in the use of these policies with mixed results and...

Capital controls and intervention in the foreign exchange market are two controversial policy options that many countries have adopted in the past in order to influence the exchange rate and moderate capital flows. Colombia has a long record in the use of these policies with mixed results and...