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Estimating Network Effects in a Dynamic Environment

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Abstract

This paper proposes methods for identifying indirect network effects with dynamically optimizing consumers purchasing a durable hardware good and associated software. We apply this model to data drawn from the DVD player and titles markets. We observe model-level prices, sales and characteristics of DVD players and sales and availability of DVDs at the level of the month for 10 years. We augment these aggregate data with household survey data on player holdings. In our model, forward looking consumers buy possibly multiple DVD players over time and benefit from the evolution of the titles market. We address issues of clustering, spurious correlation and endogeneity.

Suggested Citation

  • Gautam Gowrisankaran & Minsoo Park & Marc Rysman, 2010. "Estimating Network Effects in a Dynamic Environment," Working Papers 10-03, NET Institute, revised May 2010.
  • Handle: RePEc:net:wpaper:1003
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    File URL: http://www.netinst.org/Gowrisankaran_Park_Rysman_10-03.pdf
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    References listed on IDEAS

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    1. Rosse, James N, 1970. "Estimating Cost Function Parameters without Using Cost Data: Illustrated Methodology," Econometrica, Econometric Society, vol. 38(2), pages 256-275, March.
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    Cited by:

    1. Robin S. Lee, 2013. "Vertical Integration and Exclusivity in Platform and Two-Sided Markets," American Economic Review, American Economic Association, vol. 103(7), pages 2960-3000, December.

    More about this item

    Keywords

    empirics; network effects; DVD players;

    JEL classification:

    • C25 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions; Probabilities
    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • L12 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Monopoly; Monopolization Strategies
    • L16 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Industrial Organization and Macroeconomics; Macroeconomic Industrial Structure
    • L68 - Industrial Organization - - Industry Studies: Manufacturing - - - Appliances; Furniture; Other Consumer Durables
    • M31 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Marketing and Advertising - - - Marketing

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