Strategic Investment, Industry Concentration and the Cross Section of Returns

Maria Cecillia Bustamante (m.bustamante@lse.ac.uk)

FMG Discussion Papers from Financial Markets Group

Abstract: This paper provides an alternative real options framework to assess how firms strategic interaction under imperfect competition a¤ects the industrial dynamics of investment, concentration, and expected returns. When firms have similar production technologies, the cross sectional variation in expected returns is low, firms investments are more synchronized, .rms. expected returns co-move positively, and the industry is less concentrated. Conversely, in more heterogeneous industries, the cross sectional variation in expected returns is high, there are leaders and followers whose expected returns co-move negatively, and the industry is more concentrated. The model rationalizes several empirical facts, including: (i) that firms returns co-move more positively in less concentrated industries; (ii) that booms and busts in industry returns are more pronounced in less concentrated industries; and (iii) that less concentrated industries earn higher returns on average.

Date: 2011-06
New Economics Papers: this item is included in nep-bec, nep-com, nep-cse and nep-ure
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