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Portfolio delegation under short-selling constraints

Author

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  • Juan-Pedro Gómez

  • Tridib Sharma

Abstract

In this paper we study delegated portfolio management when the manager’s ability to short-sell is restricted. Contrary to previous results, we show that under moral hazard, linear performance-adjusted contracts do provide portfolio managers with incentives to gather information. We find that the risk-averse manager’s effort is an increasing function of her share in the portfolio’s return. This result affects the risk-averse investor’s choice of contracts. Unlike previous results, the purely risk-sharing contract is now shown to be suboptimal. Using numerical methods we show that under the optimal linear contract, the manager’s share in the portfolio return is higher than what it is under a purely risk sharing contract. Additionally, this deviation is shown to be: (i) increasing in the manager’s risk aversion and (ii) larger for tighter short-selling restrictions. As the constraint is relaxed the deviation converges to zero. Copyright Springer-Verlag Berlin/Heidelberg 2006

Suggested Citation

  • Juan-Pedro Gómez & Tridib Sharma, 2006. "Portfolio delegation under short-selling constraints," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 28(1), pages 173-196, May.
    • Handle: RePEc:spr:joecth:v:28:y:2006:i:1:p:173-196
    DOI: 10.1007/s00199-004-0615-0
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    Citations

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    Cited by:

    1. Zhaolin Li & Samuel N. Kirshner, 2021. "Salesforce Compensation and Two‐Sided Ambiguity: Robust Moral Hazard with Moment Information," Production and Operations Management, Production and Operations Management Society, vol. 30(9), pages 2944-2961, September.
    2. 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.
    3. Wang, Jian & Sheng, Jiliang & Yang, Jun, 2013. "Optimism bias and incentive contracts in portfolio delegation," Economic Modelling, Elsevier, vol. 33(C), pages 493-499.
    4. Basak, Suleyman & Pavlova, Anna & Shapiro, Alexander, 2008. "Offsetting the implicit incentives: Benefits of benchmarking in money management," Journal of Banking & Finance, Elsevier, vol. 32(9), pages 1883-1893, September.
    5. Wenyuan Wang & Kaixin Yan & Xiang Yu, 2023. "Optimal Portfolio with Ratio Type Periodic Evaluation under Short-Selling Prohibition," Papers 2311.12517, arXiv.org, revised Dec 2023.
    6. Agarwal, Vikas & Gómez, Juan-Pedro & Priestley, Richard, 2012. "Management compensation and market timing under portfolio constraints," Journal of Economic Dynamics and Control, Elsevier, vol. 36(10), pages 1600-1625.
    7. Alexander, Gordon J. & Baptista, Alexandre M., 2011. "Portfolio selection with mental accounts and delegation," Journal of Banking & Finance, Elsevier, vol. 35(10), pages 2637-2656, October.
    8. Li, Ping & Zhao, Wu & Zhou, Wei, 2015. "Ruin probabilities and optimal investment when the stock price follows an exponential Lévy process," Applied Mathematics and Computation, Elsevier, vol. 259(C), pages 1030-1045.
    9. Raphaëlle Bellando, 2008. "Le conflit d'agence dans la gestion déléguée de portefeuille : une revue de littérature," Revue d'économie politique, Dalloz, vol. 118(3), pages 317-339.
    10. Jian Wang & Xintian Zhuang & Jun Yang & Jiliang Sheng, 2014. "The effects of optimism bias in teams," Applied Economics, Taylor & Francis Journals, vol. 46(32), pages 3980-3994, November.
    11. Wenyuan Wang & Kaixin Yan & Xiang Yu, 2024. "Optimal portfolio under ratio-type periodic evaluation in stochastic factor models under convex trading constraints," Papers 2411.13579, arXiv.org.
    12. Sotes-Paladino, Juan & Zapatero, Fernando, 2022. "Carrot and stick: A role for benchmark-adjusted compensation in active fund management," Journal of Financial Intermediation, Elsevier, vol. 52(C).
    13. 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.

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    Keywords

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    JEL classification:

    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • J33 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Compensation Packages; Payment Methods

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