Brewed in North America: Mergers, marginal costs, and efficiency

Paul Grieco, Joris Pinkse, Margaret Slade

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


We show how production and pricing data can be used to estimate merger-related efficiencies using pre-merger data, and we assess the changes in efficiency and marginal costs that are expected to occur post-merger. To do this, we jointly estimate firm level returns to scale, technical change, TFP growth, and price-cost markups. We implement our empirical model using data for the North American (US and Canadian) brewing industry, and we use the estimated model of firm technology to evaluate the changes that are associated with the merger between Molson and Coors. We forecast nontrivial increases in returns to scale and declines in marginal costs and we verify those results by analyzing the impact of the merger retrospectively using post-merger data.

Original languageEnglish (US)
Pages (from-to)24-65
Number of pages42
JournalInternational Journal of Industrial Organization
StatePublished - Jul 2018

All Science Journal Classification (ASJC) codes

  • Industrial relations
  • Aerospace Engineering
  • Economics and Econometrics
  • Economics, Econometrics and Finance (miscellaneous)
  • Strategy and Management
  • Industrial and Manufacturing Engineering


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