Fiscal discipline is commonly evaluated on the basis of the debt-GDP ratio, which exhibits a stock variable measured relative to a flow variable. This way of monitoring debt solvency is arguably not consistent with transversality conditions obtained from optimizing macroeconomic frameworks. In...

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 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 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...

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...