Introduction to the theory of international trade and finance with applications to current policy issues. From the course home page: Course Description The course will help us understand what determines the flow of goods across countries, i.e. international trade, and what determines the flow of...

We argue that one reason why emerging economies borrow short term is that it is cheaperthan borrowing long term. This is especially the case during crises, as in these episodes therelative cost of long-term borrowing increases. We construct a unique database of sovereignbond prices, returns, and...

This thesis includes four essays on the macroeconomic effects of financial market imperfections. The first essay studies the incentives for banks that participate in an interbank market to keep a sufficient level of reserves. It presents a model where, in presence of imperfect insurance against...

Economics

Economics

One of the main global economic concerns before the financial crisis was the presence of large“global imbalances,” which refer to the massive and persistent current account deficitsexperienced by the U.S. and financed by the periphery. This concern was intellectuallygrounded on the...

The recent financial crisis has damaged the reputation of macroeconomics, largely for its inability to predict the impending financial and economic crisis. To be honest, this inability to predict does not concern me much. It is almost tautological that severe crises are essentially...

The United States is currently engulfed in the most severe financial crisis since the GreatDepression. The crisis was triggered by thecrash in the real estate “bubble” and amplifiedby the extreme concentration of risk in a highlyleveraged financial sector.Conventional wisdom is that both the...

We characterize the degree of microeconomic inflexibility in several Latin American economies and find that Brazil, Chile and Colombia are more flexible than Mexico and Venezuela. The difference in flexibility among these economies is mainly explained by the behavior of large establishments,...

Cooper and Willis (2003) is the latest in a sequence of criticisms of our methodology for estimating aggregate nonlinearities when microeconomic adjustment is lumpy. Their case is based on “reproducing” our main findings using artificial data generated by a model where microeconomic agents...