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Can Sticky Portfolios Explain International Capital Flows and Asset Prices?

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  • Bacchetta, Philippe
  • Davenport, Margaret
  • van Wincoop, Eric

Abstract

Recently portfolio choice has become an important element of many DSGE open economy models. Yet, a substantial body of evidence is inconsistent with standard frictionless portfolio choice models. In this paper we introduce a quadratic cost of changes in portfolio allocation into a two-country DSGE model. We investigate the level of portfolio frictions most consistent with the data and the impact of portfolio frictions on asset prices and net capital flows. We find the portfolio friction accounts for (i) micro evidence of portfolio inertia by households, (ii) macro evidence of the price impact of financial shocks and related disconnect of asset prices from fundamentals, (iii) a broad set of moments related to the time series behavior of saving, investment and net capital flows, and (iv) other phenomena relating to excess return dynamics. Financial and saving shocks each account for close to half of the variance of net capital flows.

Suggested Citation

  • Bacchetta, Philippe & Davenport, Margaret & van Wincoop, Eric, 2021. "Can Sticky Portfolios Explain International Capital Flows and Asset Prices?," CEPR Discussion Papers 16772, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:16772
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    2. Gautam Milind Gokhale & Ankur Mittal, 2024. "Exploring the Nexus of Capital Market and Investor Behaviour: A Systematic Literature Review," International Journal of Economics and Financial Issues, Econjournals, vol. 14(2), pages 65-76, March.
    3. Nelson Camanho & Harald Hau & Hélène Rey, 2022. "Global Portfolio Rebalancing and Exchange Rates," The Review of Financial Studies, Society for Financial Studies, vol. 35(11), pages 5228-5274.
    4. Zhengyang Jiang & Robert J. Richmond & Tony Zhang, 2024. "A Portfolio Approach to Global Imbalances," Journal of Finance, American Finance Association, vol. 79(3), pages 2025-2076, June.
    5. Zehri, Chokri, 2022. "Asymmetric impact of capital controls on international trade," The Journal of Economic Asymmetries, Elsevier, vol. 25(C).
    6. Simon Tièche & Didier Cossin, 2025. "Optimal Portfolio Choice in a General Equilibrium Model with Portfolio Frictions and Short-Selling Constraint," Mathematics, MDPI, vol. 13(12), pages 1-19, June.
    7. Guillermo Hausmann-Guil, 2025. "Solving DSGE models with incomplete markets by perturbation," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 57, July.
    8. Goldberg, Linda S. & Krogstrup, Signe, 2023. "International capital flow pressures and global factors," Journal of International Economics, Elsevier, vol. 146(C).
    9. 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.
    10. Chokri Zehri, 2023. "The Volatility Lowering Effects of Capital Controls," Global Journal of Emerging Market Economies, Emerging Markets Forum, vol. 15(3), pages 385-408, September.
    11. Eyquem, Aurélien & Poilly, Céline & Belianska, Anna, 2023. "On portfolio frictions, asset returns and volatility," European Economic Review, Elsevier, vol. 160(C).

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