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Household Heterogeneity and the Real Exchange Rate: Still a Puzzle

  • Kollmann, Robert

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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  1. Narayana Kocherlakota & Luigi Pistaferri, 2008. "Inequality and Real Exchange Rates," Journal of the European Economic Association, MIT Press, vol. 6(2-3), pages 597-608, 04-05.
  2. Robert Kollmann, 1995. "Consumption, real exchange rates and the structure of international asset markets," ULB Institutional Repository 2013/7642, ULB -- Universite Libre de Bruxelles.
  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.
  4. Kocherlakota, Narayana & Pistaferri, Luigi, 2005. "Asset Pricing Implications of Pareto Optimality with Private Information," CEPR Discussion Papers 4930, C.E.P.R. Discussion Papers.
  5. Davidson, Russell & MacKinnon, James G., 1993. "Estimation and Inference in Econometrics," OUP Catalogue, Oxford University Press, number 9780195060119, March.
  6. David K. Backus & Gregor W. Smith, 1993. "Consumption and Real Exchange Rates in Dynamic Economies with Non-Traded Goods," Working Papers 1252, Queen's University, Department of Economics.
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