Firm interdependence in oligopolistic markets

Frank M. Gollop, Mark John Roberts

Research output: Contribution to journalArticlepeer-review

95 Scopus citations


This paper develops an econometric model capable of identifying the pattern of interdependent behavior among firms in an oligopolistic industry. The model is based on the necessary conditions for producer equilibrium which, for a firm in an oligopolistic market, include the firm's conjectural variations. The conjectural variations are unknown parameters. The production model is based on the translog production function. The domestic coffee roasting industry is analyzed. Industry and size class specific Cournot and equality hypotheses are tested. Interdependent behavior cannot be rejected.

Original languageEnglish (US)
Pages (from-to)313-331
Number of pages19
JournalJournal of Econometrics
Issue number3
StatePublished - Jan 1 1979

All Science Journal Classification (ASJC) codes

  • Economics and Econometrics


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