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

  • Serven, Luis

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.

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Article provided by Elsevier in its journal Journal of International Money and Finance.

Volume (Year): 18 (1999)
Issue (Month): 3 ()
Pages: 337-365

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Handle: RePEc:eee:jimfin:v:18:y:1999:i:3:p:337-365
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/30443

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