The effect of board structure on firm value: A multiple identification strategies approach using Korean data
董事会结构对企业价值的影响:基于韩国数据的多重识别策略AI 解读 ↓
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董事会结构对企业价值的影响:基于韩国数据的多重识别策略AI 解读 ↓
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Outside directors and audit committees are widely considered to be central elements of good corporate governance. We use a 1999 Korean law as an exogenous shock to assess whether and how board structure affects firm market value. The law mandates 50% outside directors and an audit committee for large public firms, but not smaller firms. We study this shock using event study, difference-in-differences, and instrumental variable methods, within an overall regression discontinuity approach. The legal shock produces economically large share price increases for large firms, relative to mid-sized firms; their share prices jump in 1999 when the reforms are announced.