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Household Heterogeneity and the Real Exchange Rate: Still a Puzzle

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Kollmann, Robert

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Abstract

Kocherlakota and Pistaferri (EJ, 2007) [KP] develop a model of a world economy with private-information Pareto optimal (PIPO) risk sharing; in that model, the real exchange rate tracks relative domestic/foreign cross-sectional distributions of consumption. KP claim that the PIPO model fits the UK/US real exchange rate well. This paper shows that the PIPO model is inconsistent with the UK/US data. Minor specification changes overturn KP’s regression results. I also document that the relevant (relative) cross-sectional consumption moment is orders of magnitude more volatile than the real exchange rate, and less persistent. The link between the real exchange rage and consumption (heterogeneity) remains a puzzle.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 7301.

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Date of creation: May 2009
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Handle: RePEc:cpr:ceprdp:7301

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Related research
Keywords: heterogeneity; International risk sharing; real exchange rate;

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Find related papers by JEL classification:
F36 - International Economics - - International Finance - - - Financial Aspects of Economic Integration
F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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  1. Backus, David K. & Smith, Gregor W., 1993. "Consumption and real exchange rates in dynamic economies with non-traded goods," Journal of International Economics, Elsevier, vol. 35(3-4), pages 297-316, November. [Downloadable!] (restricted)
  2. Narayana R Kocherlakota & Luigi Pistaferri, 2005. "Asset Pricing Implications of Pareto Optimality with Private Information," Levine's Bibliography 784828000000000507, UCLA Department of Economics. [Downloadable!]
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  3. Narayana R. Kocherlakota & Luigi Pistaferri, 2007. "Household Heterogeneity and Real Exchange Rates," Economic Journal, Royal Economic Society, vol. 117(519), pages C1-C25, 03. [Downloadable!] (restricted)
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  4. Kollmann, Robert, 1995. "Consumption, real exchange rates and the structure of international asset markets," Journal of International Money and Finance, Elsevier, vol. 14(2), pages 191-211, April. [Downloadable!] (restricted)
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