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A number of largely independent areas of research have attempted to ex-plain business performance, usually emphasizing different factors, using different conceptual schemes and language, and examining different organizational units. Our model of performance integrates overlapping and common explanatory variables from industrial organization economics, organization theory, and business policy: business position, industry environment, strategy, and structure. The business unit of multibusiness firms is our unit of analysis.
White et al. (Wed,) studied this question.