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

Author

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

Abstract

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.

Suggested Citation

  • Hugh Hoikwang Kim & Raimond Maurer & Olivia S. Mitchell, 2013. "Time is Money: Life Cycle Rational Inertia and Delegation of Investment Management," NBER Working Papers 19732, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:19732
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    References listed on IDEAS

    as
    1. Neal M. Stoughton & Youchang Wu & Josef Zechner, 2011. "Intermediated Investment Management," Journal of Finance, American Finance Association, vol. 66(3), pages 947-980, June.
    2. 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.
    3. 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.
    4. Yosef Bonaparte & Russell Cooper, 2009. "Costly Portfolio Adjustment," NBER Working Papers 15227, National Bureau of Economic Research, Inc.
    5. 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," American Economic Review, American Economic Association, vol. 98(2), pages 297-303, May.
    6. Yannis Bilias & Dimitris Georgarakos & Michael Haliassos, 2010. "Portfolio Inertia and Stock Market Fluctuations," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 42(4), pages 715-742, June.
    7. 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.
    8. Lusardi, Annamaria & Mitchell, Olivia S., 2007. "Baby Boomer retirement security: The roles of planning, financial literacy, and housing wealth," Journal of Monetary Economics, Elsevier, vol. 54(1), pages 205-224, January.
    9. Jerome Adda & Russell W. Cooper, 2003. "Dynamic Economics: Quantitative Methods and Applications," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262012014, January.
    10. 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.
    11. 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.
    12. 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.
    13. Christelis, Dimitris & Jappelli, Tullio & Padula, Mario, 2010. "Cognitive abilities and portfolio choice," European Economic Review, Elsevier, vol. 54(1), pages 18-38, January.
    14. 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.
    15. David A. Love, 2010. "The Effects of Marital Status and Children on Savings and Portfolio Choice," Review of Financial Studies, Society for Financial Studies, vol. 23(1), pages 385-432, January.
    16. 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.
    17. 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.
    18. 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, July.
    19. 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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    Cited by:

    1. Love, David & Phelan, Gregory, 2015. "Hyperbolic discounting and life-cycle portfolio choice," Journal of Pension Economics and Finance, Cambridge University Press, vol. 14(04), pages 492-524, October.
    2. Robert L. Clark & Annamaria Lusardi & Olivia S. Mitchell, 2014. "Financial Knowledge and 401(k) Investment Performance," NBER Working Papers 20137, National Bureau of Economic Research, Inc.

    More about this item

    JEL classification:

    • D1 - Microeconomics - - Household Behavior
    • D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory
    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • D13 - Microeconomics - - Household Behavior - - - Household Production and Intrahouse Allocation
    • D14 - Microeconomics - - Household Behavior - - - Household Saving; Personal Finance
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • J14 - Labor and Demographic Economics - - Demographic Economics - - - Economics of the Elderly; Economics of the Handicapped; Non-Labor Market Discrimination
    • J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply
    • J26 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Retirement; Retirement Policies

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