In 2018, California became the first U.S. state to introduce a mandatory board gender quota for all firms headquartered in the state. Even though the constitutionality of the law is still debated, we document large negative announcement returns of -2.6% to the adoption of the gender quota for...

We analyze the valuation effect of board industry experience and channels through which industry experience of outside directors affects firm value. We find that firms with more experienced outside directors are valued at a premium compared to firms with less experienced outside directors. We...