The effect of diversification on performance revisited: diversification discount, premium, or both?
In this paper we argue conceptually and show empirically that the effect of diversification on performance is not homogeneous across industries, as previously assumed in the literature on diversification in strategy and finance. Some industries may be more friendly environments for diversified firms than for specialists, or vice versa. After replicating the main findings in finance and strategy, we show that the number of specialists in an industry is an important moderator of the diversification-performance relationship, which determines the existence of a diversification discount, a premium, or the curvilinear relationship frequently found in strategy research.
|Date of creation:||Dec 2004|
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- José Manuel Campa & Simi Kedia, 1999.
"Explaining the Diversification Discount,"
99-06, New York University, Leonard N. Stern School of Business, Department of Economics.
- Martin, John D. & Sayrak, Akin, 2003. "Corporate diversification and shareholder value: a survey of recent literature," Journal of Corporate Finance, Elsevier, vol. 9(1), pages 37-57, January.
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- Antoinette Schoar, 2002. "Effects of Corporate Diversification on Productivity," Journal of Finance, American Finance Association, vol. 57(6), pages 2379-2403, December.
- Vojislav Maksimovic & Gordon Phillips, 2002. "Do Conglomerate Firms Allocate Resources Inefficiently Across Industries? Theory and Evidence," Journal of Finance, American Finance Association, vol. 57(2), pages 721-767, 04.
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