This paper studies the sources of economic fluctuations in three key Latin American countries (Argentina, Brazil, and Mexico) using a dynamic panel model, distinguishing between external and domestic shocks. The primary motivation is to examine the implications for the choice of monetary and...

In this paper we develop a modified "early warning system" (EWS) approach to identifying the roles of domestic and external factors in Latin America's crises. Several probit models of balance-of-payments crises, based on different identified sets of crisis dates, were estimated for six Latin...

a speech at the Stanford Institute for Economic Policy Research Economic Summit, Stanford, California; February 11, 2005

We propose an integrated treatment of the problems of optimal monetary and fiscal policy, for an economy in which prices are sticky (so that the supply-side effects of tax changes are more complex than in standard fiscal analyses) and the only available sources of government revenue are...

The announcement of a plan to cut the U.S. federal budget deficit through the Gramm-Rudman-Hollings legislation provides an excellent opportunity to examine the influence of expectations on economic behavior. This paper presents a small forward-looking macroeconomic model and simulates the...

Heterogeneity between unemployed and employed individuals matters for optimal fiscal policy. This paper considers the consequences of welfare heterogeneity between these two groups for the determination of optimal capital and labor income taxes in a model with matching frictions in the labor...

This paper compares the welfare costs and initial dynamics of three alternative inflation stabilization policies using the staggered price model with imperfect credibility and currency substitution developed by Calvo and Vegh (1990). In addition to the policies analyzed by Calvo and Vegh...

Both the OECD and the IMF periodically estimate and publish measures of fiscal impulse to gauge the extent to which fiscal policy in the major industrial countries has become more or less expansive over time. This paper compares these measures analytically and numerically. The paper shows that...