NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers by Rudy Loo-Kung

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July 2012Optimal Holdings of International Reserves: Self-Insurance against Sudden Stop
with Guillermo A. Calvo, Alejandro Izquierdo: w18219
This paper addresses the issue of the optimal stock of international reserves in terms of a statistical model in which reserves affect both the probability of a Sudden Stop–as well as associated output costs–by reducing the balance-sheet effects of liability dollarization. Optimal reserves are derived under the assumption that central bankers conservatively choose reserves by balancing the expected cost of a Sudden Stop against the opportunity cost of holding reserves. Results are obtained without using calibration to match observed reserves levels, providing no a priori reason for our concept of optimal reserves to be in line with observed holdings. Remarkably, however, observed reserves on the eve of the global financial crisis were–on average–not distant from optimal reserves as deriv...

Published: Guillermo Calvo & Alejandro Izquierdo & Rudy Loo-Kung, 2013. "Optimal Holdings of International Reserves: Self-insurance against Sudden Stops," Monetaria, Centro de Estudios Monetarios Latinoamericanos, vol. 0(1), pages 1-35, January-J. citation courtesy of

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