We analyze contagious sovereign debt crises in financially integrated economies. Under financial integration banks optimally diversify their holdings of sovereign debt in an effort to minimize the costs with respect to an individual country's sovereign debt default. While diversification...

The paper starts from the premise that the debate on the ‘new architecture’ of the international financial system should be based on a theory that endogenizes the structure of countries' external liabilities. I present a model in which the maturity of a country's external sovereign debt is...

This Paper considers how an international lender of last resort can prevent self-fulfilling banking and currency crises in emerging economies. We compare two different arrangements: one in which the international lender of last resort injects international liquidity into financial markets, and...

Both the literature and new empirical evidence show that exchange rate regimes differ primarily by the noisiness of the exchange rate, not be measurable macroeconomic fundamentals. This motivates a theoretical analysis of exchange rate regimes with noise traders. The presence of noise traders...

This paper considers how an international lender of last resort (LOLR) can prevent self-fulfilling banking and currency crises in emerging economies. We compare two different arrangements: one in which the international LOLR injects liquidity into international financial markets, and one in...

Defending a government's exchange-rate commitment with active interest rate policy is not an option in the Krugman-Flood-Garber (KFG) model of speculative attacks. In that model, the interest rate is the passive reflection of currency-depreciation expectations. In this paper we show how to adapt...

Has the US dollar delivered the benefits that the rest of the world is expecting from its holdings of international liquidity? US government debt has been liquid and safe, and it is supplied in sufficient quantity. But it has given a low return to the countries that accumulated the most...

We present a framework that clarifies the financial role of the IMF, the rationale for conditionality, and the conditions under which IMF-induced moral hazard can arise. In the model, traditional conditionality commits country authorities to undertake crisis resolution efforts, facilitating the...

Both the literature and new empirical evidence show that exchange rate regimes differ primarily by the noisiness of the exchange rate, not by measurable macroeconomic fundamentals. This motivates a theoretical analysis of exchange rate regimes with noise traders. The presence of noise traders...

This paper presents a theory of the maturity of international sovereign debt, and derives its implications for the reform of the international financial architecture. The analysis is based on a model in which the need to roll over external debt disciplines the policies of debtor countries, but...