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Endogenous Costs and Price-Cost Margins

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Author Info
Damien J. Neven
Lars-Hendrik Röller
Zhentang Zhang

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Abstract

Empirical work on price-cost margins often treats costs as exogenous. Allowing for endogenous costs when estimating price-cost margins is the topic of this paper. Methodologically, the endogenous cost model we propose leads to an additional equation that allows for the simultaneity in price setting in the product and the input market (labor in our case). In other words, the usual two-equation set-up (demand and first-order condition in the product market) is generalized to include a third equation, which endogenizes costs. We implement the model using data for eight European airlines from 1976-1994, and show that the treatment of endogenous costs has important implications for the measurement of price-cost margins and the assessment of market power.

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Paper provided by DIW Berlin, German Institute for Economic Research in its series Discussion Papers of DIW Berlin with number 294.

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Length: 24 p.
Date of creation: 2002
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Handle: RePEc:diw:diwwpp:dp294

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Related research
Keywords: endogenous costs; price-cost margins; rent sharing; airline industry;

Find related papers by JEL classification:
L40 - Industrial Organization - - Antitrust Issues and Policies - - - General
L93 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Air Transportation

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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.:
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Full references

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. Severin Borenstein & Nancy L. Rose, 2007. "How Airline Markets Work...Or Do They? Regulatory Reform in the Airline Industry," NBER Working Papers 13452, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  2. Sabien Dobbelaere & Jacques Mairesse, 2009. "Panel Data Estimates of the Production Function and Product and Labor Market Imperfections," Tinbergen Institute Discussion Papers 09-001/3, Tinbergen Institute. [Downloadable!]
    Other versions:
  3. Sabien Dobbelaere & Jacques Mairesse, 2005. "Cross-Sectional Heterogeneity in Price-Cost Margins and the Extent of Rent Sharing at the Sector and Firm Level in France," IZA Discussion Papers 1898, Institute for the Study of Labor (IZA). [Downloadable!]
  4. Gagnepain, Philippe & Marín Uribe, Pedro Luis, 2005. "Alliances in the Air: Some Worldwide Evidence," CEPR Discussion Papers 5063, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
  5. Gagnepain, Philippe & Marín Uribe, Pedro Luis, 2004. "Regulation and Incentives in European Aviation," CEPR Discussion Papers 4318, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
    Other versions:
  6. Volodymyr Bilotkach & Xavier Fageda & Ricardo Flores-Fillol, 2008. "Scheduled service versus personal transportation: the role of distance," Working Papers XREAP2008-13, Xarxa de Referència en Economia Aplicada (XREAP), revised Dec 2008. [Downloadable!]
    Other versions:
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