This paper explores the consequences of extremely low real interest rates in a world with integrated but heterogenous capital markets and nominal rigidities. We establish four main results: (i) Liquidity traps spread to the rest of the world through the current account, which we illustrate with...

Empirical evidence shows that observed macroeconomic fundamentals have little explanatory power for nominal exchange rates (the exchange rate determination puzzle). On the other hand, the recent microstructure approach to exchange rates has shown that most exchange rate volatility at short to...

I characterize the global solution to the portfolio problem of two heterogeneous investors with general preferences, in a two-tree, two-good environment. Investors have recursive preferences and a bias in consumption towards a preferred good. The framework highlights the role of the allocation...

I adapt the framework of Sauzet (2021) to an international setting to characterize the global solution to the international portfolio problem in full generality, a long-standing open issue in international finance. In this two-country, two-good environment, investors have recursive preferences...

I study the joint dynamics between the US wealth share, the dollar and the global economy. I uncover three novel stylised facts about these joint dynamics. Firstly, the US wealth share is countercyclical: it falls on impact but subsequently rises over the course of global recessions. Secondly...

The recent political developments in the Middle East have prompted increased scrutiny of the economies of the nations lying in this region. Over the past few months, the financial markets of Middle East and North Africa (MENA) have been affected by the speculations that existed before the war in...

Emerging economies experience sudden stops in capital inflows. As we have argued in Caballero and Krishnamurthy (2002), having access to monetary policy during these sudden stops is useful, but mostly for quot;insurancequot; rather than for aggregate demand reasons. In this environment, a...

Emerging economies are exposed to severe and sudden shortages of international financial resources. Yet domestic agents seem not to undertake enough precautions against these sudden stops. Following our previous work, we highlight in this paper the central role played by limited domestic...

Emerging economies are prone to crises triggered by external shocks. During these crises, should the central bank stabilize the currency or domestic interest rates? If the choice is outside the central bank's control, as in a currency board, are there good policy substitutes? We argue that these...

The recent political developments in the Middle East have prompted increased scrutiny of the economies of the nations lying in this region. Over the past few months, the financial markets of Middle East and North Africa (MENA) have been affected by the speculations that existed before the war in...