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The Performance Effects of Diversification in the Context of Its Decline: A Meta-Analytical Review

Richter, Ansgar, Schommer, Monika and Karna, Amit (2017) The Performance Effects of Diversification in the Context of Its Decline: A Meta-Analytical Review In: The 77th Annual Meeting of the Academy of Management, 2017, 04-08 Aug 2017, Atlanta, Georgia, USA.

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Abstract

We study changes in the performance effects of diversification in the context of the decline in levels of diversification over time. We argue that the decrease in levels of unrelated diversification has been greater than that of related diversification. We also expect the aggregate effects of diversification on firm performance to have improved over time, and the differences between the performance effects of related and those of unrelated diversification to have decreased. We employ two meta-analytical approaches (MARA and HOMA) in order to test our hypotheses, using a total of 267 primary studies containing 387 effect sizes and over 150,000 firm-level observations from over 60 years of research on the diversification–firm performance relationship. The findings support our hypotheses. We contribute to the corporate strategy literature by arguing that the pressure to reduce diversification may have affected those firms particularly strongly whose diversification strategies were most detrimental to firm performance. Our study is the first one to investigate the secular shift in the performance effects of diversification.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Arts and Social Sciences > Surrey Business School
Authors :
NameEmailORCID
Richter, Ansgara.richter@surrey.ac.ukUNSPECIFIED
Schommer, MonikaUNSPECIFIEDUNSPECIFIED
Karna, AmitUNSPECIFIEDUNSPECIFIED
Date : January 2017
Identification Number : 10.5465/AMBPP.2017.244
Related URLs :
Depositing User : Clive Harris
Date Deposited : 15 Aug 2017 15:12
Last Modified : 15 Aug 2017 15:29
URI: http://epubs.surrey.ac.uk/id/eprint/841933

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