This paper presents a portfolio model of financial intermediation in which currency choice is determined by hedging decisions on both sides of a bank’s balance sheet. Minimum variance portfolio (MVP) allocations are found to provide a natural benchmark to estimate the scope for dollarization...

We develop a theoretical framework that encompasses four distinct motives for dollarization and discuss appropriate policy responses to help contain dollarization and its attendant risks. "Moral hazard" dollarization provides a clear case for prudential policy activism. However, prudential...

Determinants of central banks' profitability are studied using a statistical analysis of their balance sheets, country characteristics, and the macroeconomic and institutional environments in which they operate. Central banks at both tails of the distribution of profits generally operate in...

This paper addresses the challenges to prudential supervision in highly dollarized economies, where central banks and supervisors may be constrained in the use of standard money and financial policy tools. The study’s conclusions are the basis of an ongoing policy dialogue with IMF member...

Given the rapidly declining demand for central bank reserves and their gradual replacement in wholesale payments by alternative forms of money—clearinghouse moneyand treasury money—this paper discusses whether the complete extinction of base money could undermine monetary control. It argues...

This paper explores how real dollarization (dollar indexing of wages), financial dollarization (dollar denomination of financial contracts), and monetary policy interact in a general equilibrium, new open-economy macroeconomics model with real shocks. Real dollarization is avoided as long as the...

This paper provides a simple, quantitative, net worth-based, approach to assessing the need for central bank capital. It derives a concept of "core capital" (a function of the central bank's operating expenditures and the carrying cost of its international reserves) as the minimum capital needed...

De facto (unofficial) dollarization, defined as the holding by residents of assets and liabilities denominated in a foreign currency, is a policy concern in an increasing number of developing economies. This paper addresses the dollarization debate from this perspective, with the goal of setting...

This paper evaluates ways to protect highly dollarized banking systems from systemic liquidity runs (such as the ones that took place recently in Argentina, Uruguay, and Paraguay). In view of the limitations of available (private or official) insurance schemes, and the distortions introduced by...

Rapidly rising dollarization and numerous related financial crises in recent years have heightened the need for policy action. This paper contributes to the policy debate by presenting a common analytic framework that examines the roots of de facto financial dollarization under different...