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Portfolio delegation under short-selling constraints

  • Juan-Pedro Gómez
  • Tridib Sharma

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. The risk-averse manager's optimal effort is an increasing function of her share in the portfolio's return. This result affects the risk-averse investor's optimal contract decision. The first best, purely risk-sharing contract is proved to be suboptimal. Using numerical methods we show that the manager's share in the portfolio return is higher than the „rst best share. Additionally, this deviation is shown to be: (i) increasing in the manager's risk aversion and (ii) larger for tighter short-selling restrictions. When the constraint is relaxed the optimal contract converges towards the first best risk sharing contract.

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Paper provided by Department of Economics and Business, Universitat Pompeu Fabra in its series Economics Working Papers with number 695.

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Date of creation: Jun 2003
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Handle: RePEc:upf:upfgen:695
Contact details of provider: Web page: http://www.econ.upf.edu/

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  1. Sanjiv Ranjan Das & Rangarajan K. Sundaram, 1998. "On the Regulation of Fee Structures in Mutual Funds," NBER Working Papers 6639, National Bureau of Economic Research, Inc.
  2. William N. Goetzmann & Jonathan Ingersoll, Jr. & Stephen A. Ross, 1998. "High Water Marks," NBER Working Papers 6413, National Bureau of Economic Research, Inc.
  3. Philip H. Dybvig & Heber K. Farnsworth & Jennifer Carpenter, 1999. "Portfolio Performance and Agency," New York University, Leonard N. Stern School Finance Department Working Paper Seires 99-046, New York University, Leonard N. Stern School of Business-.
  4. Heinkel, Robert & Stoughton, Neal M, 1994. "The Dynamics of Portfolio Management Contracts," Review of Financial Studies, Society for Financial Studies, vol. 7(2), pages 351-87.
  5. Sanjiv Ranjan Das & Rangarajan K. Sundaram, 1999. "Fee Speech: Signalling and the Regulation of Mutual Fund Fees," New York University, Leonard N. Stern School Finance Department Working Paper Seires 99-085, New York University, Leonard N. Stern School of Business-.
  6. Mark Grinblatt & Sheridan Titman, 1989. "Adverse Risk Incentives and the Design of Performance-Based Contracts," Management Science, INFORMS, vol. 35(7), pages 807-822, July.
  7. Almazan, Andres & Brown, Keith C. & Carlson, Murray & Chapman, David A., 2004. "Why constrain your mutual fund manager?," Journal of Financial Economics, Elsevier, vol. 73(2), pages 289-321, August.
  8. Hui Ou-Yang, 2003. "Optimal Contracts in a Continuous-Time Delegated Portfolio Management Problem," Review of Financial Studies, Society for Financial Studies, vol. 16(1), pages 173-208.
  9. Jennifer Koski & Jeffrey Pontiff, 1996. "How Are Derivatives Used? Evidence from the Mutual Fund Industry," Center for Financial Institutions Working Papers 96-27, Wharton School Center for Financial Institutions, University of Pennsylvania.
  10. Starks, Laura T., 1987. "Performance Incentive Fees: An Agency Theoretic Approach," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 22(01), pages 17-32, March.
  11. Mark Grinblatt & Sheridan Titman, . "Adverse Risk Incentives and the Design of Performance-Based Contracts," Rodney L. White Center for Financial Research Working Papers 21-88, Wharton School Rodney L. White Center for Financial Research.
  12. Chevalier, Judith & Ellison, Glenn, 1997. "Risk Taking by Mutual Funds as a Response to Incentives," Journal of Political Economy, University of Chicago Press, vol. 105(6), pages 1167-1200, December.
  13. R. Mehra & E. Prescott, 2010. "The equity premium: a puzzle," Levine's Working Paper Archive 1401, David K. Levine.
  14. Susan I. Cohen & Laura T. Starks, 1988. "Estimation Risk and Incentive Contracts for Portfolio Managers," Management Science, INFORMS, vol. 34(9), pages 1067-1079, September.
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