Both Portugal and Greece have been running large current account deficits, and these are expected to continue in the future. Yet, financial markets do not appear to be worried. Starting from this observation, we document that Portugal and Greece are in fact representative of a broader evolution:...

Unemployment insurance and employment protection are typically discussed and studied in isolation. In this paper, we argue that they are tightly linked, and we focus on their joint optimal design.We start our analysis with a simple benchmark, with risk averse workers, risk neutral firms, and...

Much of the policy discussion of labor market institutions has been at the margin, with proposals to tighten unemployment benefits, reduce employment protection, and so on. There has been little discussion however of what the ultimate goal and architecture should be. The paper focuses on...

This paper attempts to give a structural interpretation to the distributed lag of sales on investment at the two-digit level in US manufacturing. It first presents a simple model which captures the various sources of lags and their respective implications. It then estimates the model, using both...

This paper investigates the nature and the presence of bubbles in financial markets. Are bubbles consistent with rationality? If they are, do they, like Ponzi games, require the presence of new players forever? Do they imply impossible events in finite time, such as negative prices? Do they need...