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• Simulating the Dynamic Effects of Horizontal Mergers: U.S. Airlines, with Aaron Bodoh-Creed and John Lazarev

• Nonstationary Oblivious Equilibrium, (with Gabriel Weintraub and Ben Van Roy).  Preliminary note.

PUBLISHED/OTHER PAPERS

• Oblivious Equilibrium for Concentrated Industries, (RAND 2015), with Gabriel Weintraub and Przemek Jeziorski.

• Industry Dynamics: Foundations for Models with an Infinite Number of Firms, (JET 2011), with Gabriel Weintraub and Ben Van Roy.

• Computational Methods for Oblivious Equilibrium, (Operations Research, June 2010), with Gabriel Weintraub and Ben Van Roy.  This paper contains the computational algorithm for OE, the error bounds, some computations, and an extension of OE to allow for aggregate shocks.

  • Sophisticated C code for computing OE -- Source code, Documentation  (For precompiled binaries, look here.)

  • Simple Matlab code for computing OE.

• Markov Perfect Industry Dynamics with Many Firms, with Gabriel Weintraub and Ben Van Roy (Econometrica, Nov 2008, 1375-1411).  At the request of the journal, this paper was edited down from the working paper version so it now contains only the asymptotic theorem from the working paper.  All the computational results are now in the OR paper above.  We are also working on several extensions to the main results.  Preliminary versions of these are above as well.  (Download Unpublished Technical Appendix.)

• Estimating Dynamic Models of Imperfect Competition, with Patrick Bajari and Jonathan Levin. (Econometrica, Sep 2007, 1331-1370)

  •  Gauss code for estimating the Ericson-Pakes Monte Carlo experiments in BBL.

• Econometric Tools for Analyzing Market Outcomes, (a chapter written for the Handbook of Econometrics), with Dan Ackerberg, Steve Berry, and Ariel Pakes.

• On the Nonparametric Identification of Nonlinear Simultaneous Equations Models: Comment on B. Brown (1983) and Roehrig (1988) , with Steve Berry (Econometrica, Sep 2006, 1429-1440).

• Oblivious Equilibrium: A Mean Field Approximation for Large Scale Dynamic Games, with Gabriel Weintraub and Ben Van Roy (Advances in Neural Information Processing Systems, Vol 18, 2006).

• Demand Estimation with Heterogeneous Consumers and Unobserved Product Characteristics: A Hedonic Approach, with Patrick Bajari (Journal of Political Economy, 2005 113:6, 1239-1276).

• House Prices and Consumer Welfare, with Patrick Bajari and John Krainer (Journal of Urban Economics, 2005, 474-487).

• Hedonic Price Indexes With Unobserved Product Characteristics, and Application to Personal Computers, with Patrick Bajari (Journal of Business and Economic Statistics, 2005, 23:1, 61-75).

• A Dynamic Analysis of the Market for Wide-Bodied Commercial Aircraft (Review of Economic Studies, 2004, 71, 581-611).

• Discrete Choice Models as Structural Models of Demand: Some Economic Implications of Common Approaches (Revised March 2003), with Patrick Bajari.

• Learning and Forgetting: The Dynamics of Aircraft Production, (American Economic Review, 90:4, Sep 2000, 1034-1054)