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International Portfolio Allocation under Model Uncertainty

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  • Pierpaolo Benigno
  • Salvatore Nisticò

Abstract

This paper revisits an old argument, hedging real exchange rate risk, as an explanation of the international home bias in equity. In a dynamic model, the relevant risk to be hedged is the long-run risk as opposed to the short-run risk. Domestic equity is indeed a good hedge with respect to long-run real-exchange-rate risk. Two new frameworks are able to explain a large share of the observed US home bias: a model with Hansen-Sargent preferences in which agents fear model misspecification and a model with Epstein-Zin preferences. These two models are also immune to the risk-free rate puzzle. (JEL C58, F31, G11, G15)

Suggested Citation

  • Pierpaolo Benigno & Salvatore Nisticò, 2012. "International Portfolio Allocation under Model Uncertainty," American Economic Journal: Macroeconomics, American Economic Association, vol. 4(1), pages 144-189, January.
  • Handle: RePEc:aea:aejmac:v:4:y:2012:i:1:p:144-89
    Note: DOI: 10.1257/mac.4.1.144
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    References listed on IDEAS

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    Cited by:

    1. Larry G. Epstein & Martin Schneider, 2010. "Ambiguity and Asset Markets," Annual Review of Financial Economics, Annual Reviews, vol. 2(1), pages 315-346, December.
    2. Nicolas Coeurdacier & Hélène Rey, 2013. "Home Bias in Open Economy Financial Macroeconomics," Journal of Economic Literature, American Economic Association, vol. 51(1), pages 63-115, March.
    3. Agarwal, Vikas & Arisoy, Y. Eser & Naik, Narayan Y., 2017. "Volatility of aggregate volatility and hedge fund returns," Journal of Financial Economics, Elsevier, vol. 125(3), pages 491-510.
    4. Coeurdacier, Nicolas & Gourinchas, Pierre-Olivier, 2016. "When bonds matter: Home bias in goods and assets," Journal of Monetary Economics, Elsevier, vol. 82(C), pages 119-137.
    5. Ferrière, Axelle & Karantounias, Anastasios G., 2016. "Fiscal austerity in ambiguous times," FRB Atlanta Working Paper 2016-6, Federal Reserve Bank of Atlanta.
    6. Michael B. Devereux & Ozge Senay & Alan Sutherland, 2014. "Nominal Stability and Financial Globalization," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 46(5), pages 921-959, August.
    7. Martin Ellison & Thomas J. Sargent, 2012. "A Defense Of The Fomc," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 53(4), pages 1047-1065, November.
    8. repec:red:issued:13-34 is not listed on IDEAS
    9. Luo, Yulei & Nie, Jun & Young, Eric R., 2014. "Robust control, informational frictions, and international consumption correlations," European Economic Review, Elsevier, vol. 67(C), pages 1-27.
    10. Hill, Brian & Michalski, Tomasz, 2018. "Risk versus ambiguity and international security design," Journal of International Economics, Elsevier, vol. 113(C), pages 74-105.
    11. Rabitsch, Katrin & Stepanchuk, Serhiy & Tsyrennikov, Viktor, 2015. "International portfolios: A comparison of solution methods," Journal of International Economics, Elsevier, vol. 97(2), pages 404-422.
    12. Gianluca Benigno & Pierpaolo Benigno & Salvatore Nisticò, 2012. "Risk, Monetary Policy, and the Exchange Rate," NBER Macroeconomics Annual, University of Chicago Press, vol. 26(1), pages 247-309.
    13. De Paoli, Bianca & Küçük, Hande, 2015. "News shocks, monetary policy, and foreign currency positions," Staff Reports 750, Federal Reserve Bank of New York.
    14. repec:spo:wpecon:info:hdl:2441/c8dmi8nm4pdjkuc9g81p7j6b6 is not listed on IDEAS
    15. Ganguli, J & Condie, S & Illeditsch, PK, 2012. "Information Inertia," Economics Discussion Papers 5628, University of Essex, Department of Economics.
    16. Michael B Devereux, 2013. "Inflation and financial globalisation," BIS Papers chapters,in: Bank for International Settlements (ed.), Globalisation and inflation dynamics in Asia and the Pacific, volume 70, pages 119-128 Bank for International Settlements.
    17. Illeditsch, PK & Ganguli, J & Condie, S, 2017. "Information Inertia (Working Paper)," Economics Discussion Papers 15615, University of Essex, Department of Economics.
    18. Gianluca Benigno & Hande Küçük, 2012. "Portfolio allocation and international risk sharing," Canadian Journal of Economics, Canadian Economics Association, vol. 45(2), pages 535-565, May.
    19. Alexandra M. Tabova, 2013. "Portfolio diversification and the cross-sectional distribution of foreign investment," International Finance Discussion Papers 1091, Board of Governors of the Federal Reserve System (U.S.).
    20. repec:esx:essedp:719 is not listed on IDEAS
    21. repec:esx:essedp:770 is not listed on IDEAS

    More about this item

    JEL classification:

    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics
    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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