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We document that the relation between firm value and the use of takeover defenses is positive for young firms but becomes negative as firms age. This value reversal pattern reflects specific changes in the costs and benefits of takeover defenses as firms age and arises because defenses are sticky and rarely removed. Firms can attenuate the value reversal by removing defenses, but do so only when the defenses become very costly and adjustment costs are low. The value reversal explains previous mixed evidence about takeover defenses and implies that firm age proxies for takeover defenses' heterogeneous impacts on firm value. Authors have furnished an Internet Appendix , which is available on the Oxford University Press Web site next to the link to the final published paper online. [ABSTRACT FROM AUTHOR]

We document that regulatory enforcement actions for financial misrepresentation cluster in industry-specific waves and that wave-related enforcement has information spillovers on industry peer firms. Waves and spillovers have significant effects on share prices. Early-wave target firms have the largest short-run losses in share values and the largest information spillovers on industry peer firms. Late-wave targets' short-run losses are smaller, but not because they involve less costly instances of misconduct. Rather, late-wave targets are subject to more information spillovers from earlier in the wave. These results indicate that prices incorporate changes in the likelihood that a firm will face wave-related enforcement action for financial misconduct. Short-window share-price losses understate the total share-price impact, particularly for firms whose financial misrepresentation is revealed late in an enforcement wave. This paper was accepted by David Simchi-Levi, finance. Supplemental Material: The internet appendix and data are available at https://doi.org/10.1287/mnsc.2023.4711. [ABSTRACT FROM AUTHOR]

The relationship between corporate governance and shareholder initiatives is examined. According to results, firms that attract governance proposals are those that have dismal prior performance as seen in the market-to-book ratio, operating return and sales growth. After the proposals, however, the operating returns, company share values and top management turnover do not improve. Even those proposals that are endorsed by the majority of shareholders do not result in higher share price or change in firm policies.