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Time is Money: Life Cycle Rational Inertia and Delegation of Investment Management

  • Hugh Hoikwang Kim
  • Raimond Maurer
  • Olivia S. Mitchell

This paper incorporates two empirically-grounded insights into a dynamic life cycle portfolio choice model: the fact that investors forego the opportunity to accumulate job-specific skills when they spend time managing their own money, and the observation that efficiency in financial decision making varies with age. Our calibrated model demonstrates that both factors generate sensible portfolio inactivity patterns consistent with empirical evidence. We also analyze how people optimally choose between actively managing their assets versus delegating the task to financial advisors. Delegation proves valuable to both the young and the old. Our calibrated model quantifies welfare gains from including investment time and money costs as well as delegation in a life cycle setting.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 19732.

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Date of creation: Dec 2013
Date of revision:
Handle: RePEc:nbr:nberwo:19732
Note: AG LS
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  1. Neal M. Stoughton & Youchang Wu & Josef Zechner, 2011. "Intermediated Investment Management," Journal of Finance, American Finance Association, vol. 66(3), pages 947-980, 06.
  2. Annamaria Lusardi & Olivia S. Mitchell, 2006. "Baby Boomer Retirement Security: The Roles of Planning, Financial Literacy, and Housing Wealth," CeRP Working Papers 54, Center for Research on Pensions and Welfare Policies, Turin (Italy).
  3. Frazzini, Andrea & Lamont, Owen A., 2008. "Dumb money: Mutual fund flows and the cross-section of stock returns," Journal of Financial Economics, Elsevier, vol. 88(2), pages 299-322, May.
  4. Francisco J. Gomes & Laurence J. Kotlikoff & Luis M. Viceira, 2008. "Optimal Life-Cycle Investing with Flexible Labor Supply: A Welfare Analysis of Life-Cycle Funds," NBER Working Papers 13966, National Bureau of Economic Research, Inc.
  5. Christelis, Dimitris & Jappelli, Tullio & Padula, Mario, 2006. "Cognitive Abilities and Portfolio Choice," CEPR Discussion Papers 5735, C.E.P.R. Discussion Papers.
  6. Bilias, Yannis & Georgarakos, Dimitris & Haliassos, Michalis, 2009. "Portfolio Inertia and Stock Market Fluctuations," CEPR Discussion Papers 7239, C.E.P.R. Discussion Papers.
  7. Laibson, David I. & Agarwal, Sumit & Driscoll, John C. & Gabaix, Xavier, 2009. "The Age of Reason: Financial Decisions over the Life-Cycle with Implications for Regulation," Scholarly Articles 4554335, Harvard University Department of Economics.
  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. Francisco Gomes & Alexander Michaelides, 2003. "Portfolio Choice With Internal Habit Formation: A Life-Cycle Model With Uninsurable Labor Income Risk," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 6(4), pages 729-766, October.
  10. Joao F. Cocco, 2005. "Consumption and Portfolio Choice over the Life Cycle," Review of Financial Studies, Society for Financial Studies, vol. 18(2), pages 491-533.
  11. David Love, 2008. "The Effect of Marital Status and Children on Savings and Portfolio Choice," Department of Economics Working Papers 2008-13, Department of Economics, Williams College.
  12. Sendhil Mullainathan & Markus Noeth & Antoinette Schoar, 2012. "The Market for Financial Advice: An Audit Study," NBER Working Papers 17929, National Bureau of Economic Research, Inc.
  13. Bodie, Zvi & Merton, Robert C. & Samuelson, William F., 1992. "Labor supply flexibility and portfolio choice in a life cycle model," Journal of Economic Dynamics and Control, Elsevier, vol. 16(3-4), pages 427-449.
  14. Jingjing Chai & Wolfram Horneff & Raimond Maurer & Olivia S. Mitchell, 2011. "Optimal Portfolio Choice over the Life Cycle with Flexible Work, Endogenous Retirement, and Lifetime Payouts," Review of Finance, European Finance Association, vol. 15(4), pages 875-907.
  15. Olivia S. Mitchell & Gary R. Mottola & Stephen P. Utkus & Takeshi Yamaguchi, 2009. "Default, Framing and Spillover Effects: The Case of Lifecycle Funds in 401(k) Plans," NBER Working Papers 15108, National Bureau of Economic Research, Inc.
  16. Yosef Bonaparte & Russell Cooper, 2009. "Costly Portfolio Adjustment," NBER Working Papers 15227, National Bureau of Economic Research, Inc.
  17. Horneff, Wolfram J. & Maurer, Raimond H. & Mitchell, Olivia S. & Stamos, Michael Z., 2009. "Asset allocation and location over the life cycle with investment-linked survival-contingent payouts," Journal of Banking & Finance, Elsevier, vol. 33(9), pages 1688-1699, September.
  18. Jerome Adda & Russell W. Cooper, 2003. "Dynamic Economics: Quantitative Methods and Applications," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262012014, June.
  19. Andrew B. Abel & Janice C. Eberly & Stavros Panageas, 2013. "Optimal Inattention to the Stock Market With Information Costs and Transactions Costs," Econometrica, Econometric Society, vol. 81(4), pages 1455-1481, 07.
  20. Olivia S. Mitchell & Gary R. Mottola & Stephen P. Utkus & Takeshi Yamaguchi, 2006. "The Inattentive Participant: Portfolio Trading Behavior in 401(k) Plans," Working Papers wp115, University of Michigan, Michigan Retirement Research Center.
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