"Sterilization of Money Inflows: Difficult (Calvo) or Easy (Reisen)?" English version in Estudios de Economia (Universidad de Chile: Santiago), vol. 24, no. 2, December 1997, 263-285. Spanish version in Afluencia de Capitales y Establizacion en America Latina, Roberto Steiner, ed., Fedesarrollo, Bogota, 1994: 241-267. Latinamerican Macroeconomic Network, Cartagena, 1993; IMF Working Paper No. 94/159.
"Trading Blocs and the Americas: The Natural, the Unnatural, and the Super-Natural" (with E. Stein and S.J.Wei), full version, CIDER Working Paper No. C94-034. Abridged version,Journal of Development Economics 47, no. 1, June 1995, 61-95.
"Lessons from the Mexican Crisis," presented at CFR, April 1995; Federal Reserve System Meeting, Washington, D.C., April; and the Fed.Res.Bk.of Atlanta's Financial Markets conference, Coral Gables, March 1995.