International capital flows have increased dramatically since the 1980s, with much of the increase being due to trade in equity and debt markets. Such developments are often attributed to the increased integration of world financial markets. We present a model that allows us to examine how...

This paper addresses the question of whether goods or asset market frictions are necessary to explain the failure of consumption risk sharing across countries. I present a multi-country DSGE model with Armington specialization. There are iceberg costs of shipping goods across countries. In asset...

The paper provides a reconciliation of Lucas' paradox, based on fixed setup costs of new investments. With such costs, it does not pay a firm to make a "small" investment, even though such an investment is called for by marginal productivity conditions. Using a sample of 45 developed and...

In the data country portfolios are heavily biased toward domestic assets. Standard one-good international macro models predict that, due to the presence of non-diversifiable labor income risk, country portfolios should be heavily biased toward foreign assets; this discrepancy constitute the...

Two of the main puzzles in international economics are the consumption and the portfolio home biases. They are empirically related: countries that are more open to trade also have more internationally diversifed portfolios. In a two-country stochastic equilibrium model, I prove that introducing...

This paper presents a stylized model of international trade and asset price bubbles. Its central insight is that bubbles tend to appear and expand in countries where productivity is low relative to the rest of the world. These bubbles absorb local savings, eliminating inefficient investments and...

The present paper shows that secondary markets can ameliorate, and sometimes fully solve, problems of sovereign risk in international financial markets. We study two environments. In the first one, private agents can in principle issue a complete set of state-contingent securities but...

In the last two decades, financial integration has increased dramatically across the world. At the same time, the fraction of countries in default has more than doubled. Contrary to theory, however, there appears to have been no substantial improvement in the degree of international risk...

The empirical evidence is such that countries with better developed financial markets gain significantly from FDI. This paper formalizes the mechanism through which the trickle down effect of FDI depends on the extent of the development of the domestic financial sector. We model a small open...