The innovation effect of dual-class shares: New evidence from US firms
The proliferation of dual-class structures in the US stock market presents a controversial trend since such shares are traditionally deemed to damage governance quality. We study the relationship between 362 firms with dual-class shares and their innovativeness using patent citations from Google Pat...
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| Main Authors: | , , , |
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| 格式: | text |
| 語言: | English |
| 出版: |
Institutional Knowledge at Singapore Management University
2020
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| 主題: | |
| 在線閱讀: | https://ink.library.smu.edu.sg/lkcsb_research/6682 https://ink.library.smu.edu.sg/context/lkcsb_research/article/7681/viewcontent/Innovation_Effect_Dual_Class_2020_av.pdf |
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| 總結: | The proliferation of dual-class structures in the US stock market presents a controversial trend since such shares are traditionally deemed to damage governance quality. We study the relationship between 362 firms with dual-class shares and their innovativeness using patent citations from Google Patents over the 1976 through 2006 period. We find dual-class shares have significant innovation effect in high-tech sectors, hard-to-innovate industries, firms with higher external takeover threat and firms heavily dependent on external equity financing. We also document a positive causality relationship between dual-class structures and the quality of innovation. The channel for this causal relationship is the protection mechanism by which managers can take a long-term view. From a policy perspective, regulators should promote a corporate governance system that protects corporate long-term interest for shareholders. |
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