Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

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Thursday, October 7, 2010

Size Metrics and Dynamics of Firms Expansion in the European Pharmaceutical Industry

Posted by D. Daniel Sokol

Franco Mariuzzo (Geary Institute, University College Dublin, Ireland) and Xiaoheng Zhang (Economic and Social Research Institute, Dublin, Ireland) examine Size Metrics and Dynamics of Firms Expansion in the European Pharmaceutical Industry.

ABSTRACT: We generalize the growth-of-firm literature by linking alternative metrics of size via a Copula approach. We look at the result of the fitted Copula and justify the metric we base our analysis upon. We employ the Amadeus dataset and investigate the growth dynamics of the European pharmaceutical industry in the Single Market Programme era, 1990–2004. Relying on a set of dynamic panel Probit methods that deal with unobserved heterogeneity and initial conditions, we analyze how our units of investigation, multinationals, capture opportunities over time. We find strong evidence of state dependence and mean reversion, as predicated by the theory of maturation — firms face a period of rapid growth, followed by a slow down, or even a stop, in growth. We finish off our exercise by conditioning the fitted Copula on the predicted measure of size and simulate the remaining measures.

http://lawprofessors.typepad.com/antitrustprof_blog/2010/10/size-metrics-and-dynamics-of-firms-expansion-in-the-european-pharmaceutical-industry.html

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