External Shocks and Debt Accumulation in a Small Open Economy
Abdelhak S. Senhadji
This paper analyzes the borrowing behavior of a small open economy of a Less Developed Country (LDC) that relies heavily on imports for its capital formation and faces an upward sloping supply function of foreign loans, in an environment where decision makers face uncertainty about the longevity of external shocks. First, a dynamic general equilibrium model is developed which replicates fairly well the business cycle properties of the LDC data. Second, it is shown that uncertainty concerning the longevity of shocks (a relevant type of uncertainty, especially for LDCs) generates forecast errors that are autocorrelated in a way that is similar to Bayesian learning in the "peso problem." This autocorrelated forecast errors can generate substantial debt accumulation. Third, it is shown that the assumption of an upward sloping supply function of foreign loans, which is a more realistic assumption for LDCs than the usual perfectly elastic one, offers an alternative to the Uzawa-type utility function for the analysis of asset accumulation in the small open economy framework. (Copyright: Elsevier)
Debt accumulation; Stochastic dynamic general equilibrium model; External shocks; Incomplete information; Less Developed Economies
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