Robert Renhack is Division Chief for Colombia, Ecuador and Belize in the Western Hemisphere Department of the International Monetary Fund. He has worked extensively on macroeconomic issues in Latin America for the past twenty years and has written a number of papers on capital mobility, monetary policy and energy demand. Erik Offerdal is the International Monetary Fund's resident representative for Guatemala. He joined the Fund in 1990 and has since been engaged in macroeconomic surveillance and policy formulation in Eastern Europe, Asia and Latin America. Prior to this, Offerdal worked for the government in his native Norway, focusing on general equilibrium modelling, the macroeconomic impact of petroleum revenues, and tax policy analysis.