We develop a framework for studying the choice of exchange rate regime in an open economy where the local currency is vulnerable to speculative attacks. The optimal regime is determined by a policymaker who trades off the loss from nominal exchange rate uncertainty, against the cost of...

Currency and financial turmoils in international capital markets have been the focus of an extensive theoretical research which started around 30 years ago. This paper provides a synthetic overview of this theoretical modeling. We analyze the basic analytical framework corresponding to the...

We extended the Cole and Kehoe model (1996) by adding trade and debt denominated in national currency. We then evaluated some external debt defaults and steep national currency devaluations occurred during last decades. Although default is unlikely, steep devaluation has been repeatedly...

The main objective of this paper is to understand the causes and symptoms of currency crises by reviewing its seminal literature, establishing its determinants, and outlining some of the relevant issues. The paper highlights the need to comprehend the process, which may lead to the inconsistency...