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Infrequent Random Portfolio Decisions in an Open Economy Model

Author

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  • Philippe Bacchetta
  • Eric van Wincoop
  • Eric R Young

Abstract

We introduce a portfolio friction in a two-country DSGE model where investors face a constant probability to make new portfolio decisions. The friction leads to a more gradual portfolio adjustment to shocks and a weaker portfolio response to changes in expected excess returns. We apply the model to monthly data for the US and the rest of the world for equity portfolios. We show that the model is consistent with a broad set of evidence related to portfolios, equity prices, and excess returns for an intermediate level of friction. The evidence includes portfolio inertia, limited sensitivity to expected excess returns, a significant impact of financial shocks, excess return predictability, and asset price momentum and reversal.

Suggested Citation

  • Philippe Bacchetta & Eric van Wincoop & Eric R Young, 2023. "Infrequent Random Portfolio Decisions in an Open Economy Model," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 90(3), pages 1125-1154.
    • Handle: RePEc:oup:restud:v:90:y:2023:i:3:p:1125-1154.
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    File URL: http://hdl.handle.net/10.1093/restud/rdac054
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    Cited by:

    1. Bacchetta, Philippe & Davenport, Margaret & van Wincoop, Eric, 2022. "Can sticky portfolios explain international capital flows and asset prices?," Journal of International Economics, Elsevier, vol. 136(C).
    2. Rong Li & Dongzhou Mei & Bing Tong, 2024. "Gradual Portfolio Adjustment, Foreign Exchange Intervention, and Open Market Operations," CFDS Discussion Paper Series 2024/6, Center for Financial Development and Stability at Henan University, Kaifeng, Henan, China.

    More about this item

    Keywords

    Portfolio frictions; Infrequent portfolio decisions; International portfolio allocation; Excess return predictability; Financial shocks;
    All these keywords.

    JEL classification:

    • F30 - International Economics - - International Finance - - - General
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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