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Price Competition and Endogenous Product Choice in Networks: Evidence from the US Airline Industry

Author

Listed:
  • Christian Bontemps

    (ENAC-LAB - Laboratoire de recherche ENAC - ENAC - Ecole Nationale de l'Aviation Civile, TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

  • Cristina Gualdani

    (QMUL - Queen Mary University of London)

  • Kevin Remmy

    (Universität Mannheim)

Abstract

We develop a two-stage game in which competing airlines first choose the networks of markets to serve in the first stage before competing in price in the second stage. Spillovers in entry decisions across markets are allowed, which accrue on the demand, marginal cost, and fixed cost sides. We show that the second-stage parameters are point identified, and we design a tractable procedure to set identify the first-stage parameters and to conduct inference. Further, we estimate the model using data from the domestic US airline market and find significant spillovers in entry. In a counterfactual exercise, we evaluate the 2013 merger between American Airlines and US Airways. Our results highlight that spillovers in entry and post-merger network readjustments play an important role in shaping post-merger outcomes.

Suggested Citation

  • Christian Bontemps & Cristina Gualdani & Kevin Remmy, 2023. "Price Competition and Endogenous Product Choice in Networks: Evidence from the US Airline Industry," Post-Print hal-04709707, HAL.
    • Handle: RePEc:hal:journl:hal-04709707
    Note: View the original document on HAL open archive server: https://hal.science/hal-04709707v1
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