Three key levels of the real exchange rate in Latin America

Rapetti, Martin (2026): Three key levels of the real exchange rate in Latin America.

Abstract

The article presents a simple three-sector macroeconomic model that incorporates key structural features common to many Latin American economies. The model allows for the formal identification of three benchmark levels of the real exchange rate (RER). The macroeconomic equilibrium RER is the level consistent with the simultaneous achievement of internal and external balance (i.e., full employment and a sustainable balance of payments). The social equilibrium RER corresponds to a state in which workers, at full employment, obtain a real wage consistent with their income aspirations. The developmental RER is defined as a benchmark level that ensures the labor-absorbing tradable sector earns a risk-adjusted rate of profit comparable to that in developed countries, thereby fostering investment. The three-RER-levels framework provides a unified analytical setting to organize and compare alternative theories developed in Latin America —including unbalanced productive structures, distributive conflict, structural inflation, macroeconomic populism, and stop-and-go cycles— and to clarify how different configurations of the benchmark RER levels underpin competing diagnoses and development strategies in the region.

• Item Type: MPRA Paper
• Language: English
• Keywords: real exchange rate, Latin America, equilibrium, conflict, development.
• Subjects: E - Macroeconomics and Monetary Economics > E1 - General Aggregative Models > E12 - Keynes ; Keynesian ; Post-Keynesian; F - International Economics > F4 - Macroeconomic Aspects of International Trade and Finance > F41 - Open Economy Macroeconomics; N - Economic History > N1 - Macroeconomics and Monetary Economics ; Industrial Structure ; Growth ; Fluctuations > N16 - Latin America ; Caribbean

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