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Career Dynamics Under Uncertainty: Estimating the Value of Firm Experimentation


  • Elena Pastorino

    () (Economics University of Pennsylvania)


This paper develops and structurally estimates a learning model in which firms acquire information about workers' ability by observing their performance over time. A firm consists of a collection of jobs which differ in the informational content of performance, as measured by the dispersion in posterior beliefs after output is observed. Ability is general across jobs and firms. Because of the trade--off between learning and short--run profit maximization, a firm's optimal job assignment policy is solution to an experimentation problem---a multi--armed Bandit problem with dependent arms. In presence of firm competition, the job--dependent quality of performance signals can cause distortions in information acquisition within firms, inducing (ex ante) inefficient job assignment and turnover. The model is estimated using longitudinal data from a single U.S. firm on the cohorts of managers entering the firm at the lowest managerial level between 1970 and 1979 (the same dataset used by Baker, Gibbs and Holmstrom [1994a, 1994b]). Estimation results confirm that a theoretically restricted learning model can succeed in fitting the dynamic pattern of separations, promotions and demotions, and individual wage profiles. The estimated model is then used to assess the impact on mobility, between jobs and firms, and on wages of alleviating ex ante (at the beginning of an employment relationship) and interim (during employment) uncertainty, respectively through improved screening and monitoring. Given the estimated divergence between private and social returns to information, alternative policies (e.g., mandatory probationary employment contracts) are evaluated to quantify the potential welfare gains associated with increased experimentation in firms.

Suggested Citation

  • Elena Pastorino, 2005. "Career Dynamics Under Uncertainty: Estimating the Value of Firm Experimentation," 2005 Meeting Papers 495, Society for Economic Dynamics.
  • Handle: RePEc:red:sed005:495

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    References listed on IDEAS

    1. Devereux, Michael B. & Gregory, Allan W. & Smith, Gregor W., 1992. "Realistic cross-country consumption correlations in a two-country, equilibrium, business cycle model," Journal of International Money and Finance, Elsevier, vol. 11(1), pages 3-16, February.
    2. Stockman, Alan C & Tesar, Linda L, 1995. "Tastes and Technology in a Two-Country Model of the Business Cycle: Explaining International Comovements," American Economic Review, American Economic Association, vol. 85(1), pages 168-185, March.
    3. Brian D. Wright & Kenneth M. Kletzer, 2000. "Sovereign Debt as Intertemporal Barter," American Economic Review, American Economic Association, vol. 90(3), pages 621-639, June.
    4. Bulow, Jeremy & Rogoff, Kenneth, 1989. "Sovereign Debt: Is to Forgive to Forget?," American Economic Review, American Economic Association, vol. 79(1), pages 43-50, March.
    5. Bulow, Jeremy & Rogoff, Kenneth, 1989. "A Constant Recontracting Model of Sovereign Debt," Journal of Political Economy, University of Chicago Press, vol. 97(1), pages 155-178, February.
    6. Timothy J. Kehoe & David K. Levine, 1993. "Debt-Constrained Asset Markets," Review of Economic Studies, Oxford University Press, vol. 60(4), pages 865-888.
    7. David Andolfatto & Ed Nosal, 2003. "A theory of money and banking," Working Paper 0310, Federal Reserve Bank of Cleveland.
    8. Kollmann, Robert, 1996. "Incomplete asset markets and the cross-country consumption correlation puzzle," Journal of Economic Dynamics and Control, Elsevier, vol. 20(5), pages 945-961, May.
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    More about this item


    Retention; Job Assignment; Learning; Experimentation;

    JEL classification:

    • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
    • D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • J41 - Labor and Demographic Economics - - Particular Labor Markets - - - Labor Contracts
    • M12 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Business Administration - - - Personnel Management; Executives; Executive Compensation


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