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...

This paper investigates currency and financial crises in an optimizing general equilibrium model. It is shown that a rise in current and expected future budget deficits generates a real exchange rate appreciation and a decumulation of external assets, leading up to a currency crisis when foreign...

This paper analyzes strategic interactions and contagion effects in countries joined to a monetary union. Using game theory and a cost-benefit analysis, the paper determines the set of equilibrium solutions under which country-specific shocks are transmitted to other member countries giving rise...

This paper aims to propose a new measure of exchange market pressure for countries operating in hard peg regimes, such as currency unions, currency boards or full dollarization. We use a general model of currency crisis to derive a sustainability index based upon the relationship between the...

This paper aims to propose a new measure of exchange market pressure for countries operating in hard peg regimes, such as currency unions, currency boards or full dollarization. We use a general model of currency crisis to derive a sustainability index based upon the relationship between the...