Terms-of-trade shocks and optimal investment: another look at the Laursen-Metzler effect

Luis Servén

No 1424, Policy Research Working Paper Series from The World Bank

Abstract: Conventional analyses of the effect of terms-of-trade shocks provide a misleading view of their impact on investment and the current account, because capital goods imports are excluded from the analytical framework. The author argues that such an exclusion is both arbitrary and unrealistic. The author reexamines the consequences of permanent and transitory changes in terms of trade in a rational-expectations model of a small open economy with intertemporally optimizing agents, and with trade in both consumption and capital goods. In this framework, the responses to a permanent terms of trade improvement in unambiguous: the long-run capital stock, and thus investment, must rise, and the current account must deteriorate -- exactly the opposite of the Laursen-Metzler effect. A transitory improvement in the terms of trade raises saving but has an uncertaineffect on investment. So, the impact on the current account is generally ambiguous and is shown to depend on three factors: the import contents on consumption and investment, the duration of the windfall, and the degree of intertemporal substitutability in both consumption and investment.

Keywords: Environmental Economics&Policies; Economic Theory&Research; Payment Systems&Infrastructure; Fiscal&Monetary Policy; International Terrorism&Counterterrorism; International Terrorism&Counterterrorism; Financial Intermediation; Economic Theory&Research; Environmental Economics&Policies; TF054105-DONOR FUNDED OPERATION ADMINISTRATION FEE INCOME AND EXPENSE ACCOUNT (search for similar items in EconPapers)
Date: 1995-02-28
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Citations: View citations in EconPapers (3)

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Journal Article: Terms-of-trade shocks and optimal investment: another look at the Laursen-Metzler effect (1999)
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