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Modeling Alternatives to Exponential Discounting

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  • Musau, Andrew

Abstract

One area that is often overlooked by economists and social scientists is discounting. Most economic models of intertemporal choice make use of Samuelson's (1937) DU model which leads to an exponential discount function. Divergences from what economic modelling predicts and empirical findings are on the most part attributed to factors other than the discount function employed. We review the literature on the DU model and identify its behavioral anomalies. We look into suggested quasi-hyperbolic and hyperbolic models that in part account for these anomalies. We analyze an infinite IPD game and demonstrate that under quasi-hyperbolic discounting, cooperation emerges as an SPE at a higher level of the discount factor. We further demonstrate that the unemployment equilibrium in the Shapiro & Stiglitz (1984) Shirking model is not static under both hyperbolic and quasi-hyperbolic discounting.

Suggested Citation

  • Musau, Andrew, 2009. "Modeling Alternatives to Exponential Discounting," MPRA Paper 16416, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:16416
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    File URL: https://mpra.ub.uni-muenchen.de/16416/1/MPRA_paper_16416.pdf
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    References listed on IDEAS

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    1. Matthew Rabin & Ted O'Donoghue, 1999. "Doing It Now or Later," American Economic Review, American Economic Association, vol. 89(1), pages 103-124, March.
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    3. Slonim, Robert & Carlson, James & Bettinger, Eric, 2007. "Possession and discounting behavior," Economics Letters, Elsevier, vol. 97(3), pages 215-221, December.
    4. Goodin, Robert E., 1982. "Discounting Discounting," Journal of Public Policy, Cambridge University Press, vol. 2(01), pages 53-71, February.
    5. Thaler, Richard, 1981. "Some empirical evidence on dynamic inconsistency," Economics Letters, Elsevier, vol. 8(3), pages 201-207.
    6. Kirby, Kris N. & Marakovic, Nino N., 1995. "Modeling Myopic Decisions: Evidence for Hyperbolic Delay-Discounting within Subjects and Amounts," Organizational Behavior and Human Decision Processes, Elsevier, vol. 64(1), pages 22-30, October.
    7. Pender, John L., 1996. "Discount rates and credit markets: Theory and evidence from rural india," Journal of Development Economics, Elsevier, vol. 50(2), pages 257-296, August.
    8. Shane Frederick & George Loewenstein & Ted O'Donoghue, 2002. "Time Discounting and Time Preference: A Critical Review," Journal of Economic Literature, American Economic Association, vol. 40(2), pages 351-401, June.
    9. Uri Benzion & Amnon Rapoport & Joseph Yagil, 1989. "Discount Rates Inferred from Decisions: An Experimental Study," Management Science, INFORMS, vol. 35(3), pages 270-284, March.
    10. George Loewenstein & Drazen Prelec, 1992. "Anomalies in Intertemporal Choice: Evidence and an Interpretation," The Quarterly Journal of Economics, Oxford University Press, vol. 107(2), pages 573-597.
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    Cited by:

    1. Frank Hartmann & Sergeja Slapničar, 2015. "An experimental study of the effects of negative, capped and deferred bonuses on risk taking in a multi-period setting," Journal of Management & Governance, Springer;Accademia Italiana di Economia Aziendale (AIDEA), vol. 19(4), pages 875-896, November.

    More about this item

    Keywords

    intertemporal; exponential; quasi-hyperbolic; hyperbolic.;

    JEL classification:

    • A10 - General Economics and Teaching - - General Economics - - - General

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