Reevaluating the conglomerate discount in Germany: the role of design choices
Abstract Despite the current trend toward refocusing on the core business, the empirical results on the conglomerate discount are conflicting and provide opposing implications to managers as to whether they should pursue diversification or not. Prior literature has employed various research designs,...
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| Published in | Zeitschrift für Betriebswirtschaft |
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| Main Authors | , |
| Format | Journal Article |
| Language | English |
| Published |
26.01.2024
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| Online Access | Get full text |
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| Summary: | Abstract
Despite the current trend toward refocusing on the core business, the empirical results on the conglomerate discount are conflicting and provide opposing implications to managers as to whether they should pursue diversification or not. Prior literature has employed various research designs, all of which have the potential to impact results. In this study, we analyze which design choices affect the conglomerate discount. We analyze a sample of approximately 6000 German firm-years between 2000 and 2019 and find a conglomerate discount of 7.9–11.5%. Our findings reveal that design choices related to self-selection have the highest impact on the results. Using a 2SLS approach, we find no causal relationship between diversification and market value despite testing various sets of instruments and excess values. Our results inform practitioners and researchers regarding the impact of design choices on the magnitude and existence of the conglomerate discount. |
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| ISSN: | 0044-2372 1861-8928 |
| DOI: | 10.1007/s11573-023-01188-y |