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The Management of corporate portfolio strategy : analysis of the content validity of related diversification indexes

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      <subfield code="a">The article examines the content validity of the two types of continuous measures most widely used in strategy research, the related component of the entropy, and argues that important questions exist of portfolio "relatedness"</subfield>
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      <subfield code="g">Vol. 24, 2003 ; p. 39-59</subfield>
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