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Estimating Dynamic Models of Imperfect Competition

Author

Listed:
  • Jonathan Levin (Stanford University)
  • Pat Bajari
  • Lanier Benkard

Abstract

We describe a two-step algorithm for estimating dynamic games where the agents are assumed to play a Markov Perfect equilibrium. In the first step, the policy functions and the law of motion for the state variables are estimated. In the second step, the remaining structural parameters are estimated using the optimality conditions for equilibrium. For non-identified models, we describe a bounds approach to the second step estimation. For identified models, the second step estimator is a simple maximum likelihood estimator that is similar to a probit model. We discuss how the approach applies to dynamic discrete choice models and a class of dynamic oligopoly models with lumpy investment policies.

Suggested Citation

  • Jonathan Levin (Stanford University) & Pat Bajari & Lanier Benkard, 2004. "Estimating Dynamic Models of Imperfect Competition," Econometric Society 2004 North American Winter Meetings 627, Econometric Society.
    • Handle: RePEc:ecm:nawm04:627
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    Keywords

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    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • C35 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions

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