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Omitted Product Attributes in Discrete Choice Models

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Author Info
Amil Petrin
Kenneth Train

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Abstract

We describe two methods for correcting an omitted variables problem in discrete choice models: a fixed effects approach and a control function approach. The control function approach is easier to implement and applicable in situations for which the fixed effects approach is not. We apply both methods to a cross-section of disaggregate data on customer's choice among television options including cable, satellite, and antenna. As theory predicts, the estimated price response rises substantially when either correction is applied. All of the estimated parameters and the implied price elasticities are very similar for both methods.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 9452.

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Date of creation: Jan 2003
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Handle: RePEc:nbr:nberwo:9452

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D0 - Microeconomics - - General
L0 - Industrial Organization - - General

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Kenneth Train, 2000. "Halton Sequences for Mixed Logit," Department of Economics, Working Paper Series 1035, Department of Economics, Institute for Business and Economic Research, UC Berkeley. [Downloadable!]
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  2. Heckman, James J. & Robb, Richard Jr., 1985. "Alternative methods for evaluating the impact of interventions : An overview," Journal of Econometrics, Elsevier, vol. 30(1-2), pages 239-267. [Downloadable!] (restricted)
  3. Amil Petrin, 2002. "Quantifying the Benefits of New Products: The Case of the Minivan," Journal of Political Economy, University of Chicago Press, vol. 110(4), pages 705-729, August. [Downloadable!] (restricted)
  4. Brownstone, David & Train, Kenneth, 1998. "Forecasting new product penetration with flexible substitution patterns," Journal of Econometrics, Elsevier, vol. 89(1-2), pages 109-129, November. [Downloadable!] (restricted)
  5. Hausman, Jerry A, 1978. "Specification Tests in Econometrics," Econometrica, Econometric Society, vol. 46(6), pages 1251-71, November. [Downloadable!] (restricted)
  6. Kenneth Train, 2003. "Discrete Choice Methods with Simulation," Online economics textbooks, SUNY-Oswego, Department of Economics, number emetr2, September. [Downloadable!]
  7. Trajtenberg, Manuel, 1989. "The Welfare Analysis of Product Innovations, with an Application to Computed Tomography Scanners," Journal of Political Economy, University of Chicago Press, vol. 97(2), pages 444-79, April. [Downloadable!] (restricted)
  8. Austan Goolsbee & Amil Petrin, 2004. "The Consumer Gains from Direct Broadcast Satellites and the Competition with Cable TV," Econometrica, Econometric Society, vol. 72(2), pages 351-381, 03. [Downloadable!] (restricted)
  9. Smith, Richard J & Blundell, Richard W, 1986. "An Exogeneity Test for a Simultaneous Equation Tobit Model with an Application to Labor Supply," Econometrica, Econometric Society, vol. 54(3), pages 679-85, May. [Downloadable!] (restricted)
  10. Berry, Steven & Levinsohn, James & Pakes, Ariel, 1995. "Automobile Prices in Market Equilibrium," Econometrica, Econometric Society, vol. 63(4), pages 841-90, July. [Downloadable!] (restricted)
  11. Pinar Karaca-Mandic & Kenneth Train, 2003. "Standard error correction in two-stage estimation with nested samples," Econometrics Journal, Royal Economic Society, vol. 6(2), pages 401-407, December. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Mohammad Arzaghi, 2005. "Quality Sorting and Networking: Evidence from the Advertising Agency Industry," Working Papers 05-16, Center for Economic Studies, U.S. Census Bureau. [Downloadable!]
  2. Han Kim, E & Morse, Adair & Zingales, Luigi, 2006. "Are Elite Universities Losing their Competitive Edge?," CEPR Discussion Papers 5700, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
  3. Beethika Khan, 2004. "Consumer Adoption of Online Banking: Does Distance Matter?," Development and Comp Systems 0407002, EconWPA. [Downloadable!]
  4. William Greene, 2002. "Fixed and Random Effects in Stochastic Frontier Models," Working Papers 02-16, New York University, Leonard N. Stern School of Business, Department of Economics. [Downloadable!]
  5. E. Han Kim & Adair Morse & Luigi Zingales, 2006. "Are Elite Universities Losing Their Competitive Edge?," NBER Working Papers 12245, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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