Research Notes and Commentaries Comment on ‘industry, Corporate and Business-segment Effects and Business Performance: a Non-parametric Approach’ by Ruefli and Wiggins
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چکیده
COMMENT ON ‘INDUSTRY, CORPORATE AND BUSINESS-SEGMENT EFFECTS AND BUSINESS PERFORMANCE: A NON-PARAMETRIC APPROACH’ BY RUEFLI AND WIGGINS ANITA M. McGAHAN* and MICHAEL E. PORTER 1 School of Management, Boston University, and Institute for Strategy and Competitiveness, Harvard University, Boston, Massachusetts, U.S.A. 2 Graduate School of Business Administration, Harvard University, Boston, Massachusetts, U.S.A.
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Industry, Corporate, and Segment Effects and Business Performance: a Non-parametric Approach
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