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A Model of Portfolio Delegation and Strategic Trading


  • Albert S. Kyle
  • Hui Ou-Yang
  • Bin Wei


This article endogenizes information acquisition and portfolio delegation in a one-period strategic trading model. We find that, when the informed portfolio manager is relatively risk tolerant (averse), price informativeness increases (decreases) with the amount of noise trading. When noise trading is endogenized, the linear equilibrium in the traditional literature breaks down under a wide range of parameter values. In contrast, a linear equilibrium always exists in our model. In a conventional portfolio delegation model under a competitive partial equilibrium, the manager's effort of acquiring information is independent of a linear incentive contract. In our strategic trading model, however, a higher-powered linear contract induces the manager to exert more effort for information acquisition. The Author 2011. Published by Oxford University Press on behalf of The Society for Financial Studies. All rights reserved. For Permissions, please e-mail:, Oxford University Press.

Suggested Citation

  • Albert S. Kyle & Hui Ou-Yang & Bin Wei, 2011. "A Model of Portfolio Delegation and Strategic Trading," Review of Financial Studies, Society for Financial Studies, vol. 24(11), pages 3778-3812.
  • Handle: RePEc:oup:rfinst:v:24:y::i:11:p:3778-3812

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    Cited by:

    1. Sheng, Jiliang & Wang, Jian & Wang, Xiaoting & Yang, Jun, 2014. "Asymmetric contracts, cash flows and risk taking of mutual funds," Economic Modelling, Elsevier, vol. 38(C), pages 435-442.
    2. Wang, Jian & Sheng, Jiliang & Yang, Jun, 2013. "Optimism bias and incentive contracts in portfolio delegation," Economic Modelling, Elsevier, vol. 33(C), pages 493-499.
    3. Moreno, David & Rodríguez, Rosa & Zambrana, Rafael, 2018. "Management sub-advising in the mutual fund industry," Journal of Financial Economics, Elsevier, vol. 127(3), pages 567-587.
    4. Huang, Shiyang & Qiu, Zhigang & Yang, Liyan, 2020. "Institutionalization, delegation, and asset prices," Journal of Economic Theory, Elsevier, vol. 186(C).
    5. Guido Maretto, 2017. "Diversification and screening," FEUNL Working Paper Series wp610, Universidade Nova de Lisboa, Faculdade de Economia.
    6. Akihiko Ikeda & Hiroshi Osano, 2020. "Information Investment Regulation and Portfolio Delegation," KIER Working Papers 1032, Kyoto University, Institute of Economic Research.
    7. Sheng, Jiliang & Wang, Xiaoting & Yang, Jun, 2012. "Incentive contracts in delegated portfolio management under VaR constraint," Economic Modelling, Elsevier, vol. 29(5), pages 1679-1685.
    8. Savitar Sundaresan & Jaromir Nosal & Marcin Kacperczyk, 2017. "Market Power and Informational Efficiency," 2017 Meeting Papers 356, Society for Economic Dynamics.

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