Using a large sample of block acquisitions, this paper examines the governance role of customers that acquire block ownership in supplier shares. We find that compared to targets acquired by noncustomers, those acquired by customers experience higher abnormal announcement returns, larger...

We examine how friendly boards affect firm innovation. Using CEO-director social connections as a measure of board friendliness, we find that firms with friendly boards create more patents and citations. The positive relation between friendly boards and innovation are more pronounced when firms'...

This paper examines the optimal use of investment constraints in delegated portfolio management. We show that investment constraints, which limit managers' uses of margin purchase and short-sales, can benefit investors by enhancing managers' incentives to acquire long-term investment information...

We analyze a simple model of board voting and find that in comparison to boards with an even number of directors (even boards), those with an odd number of directors (odd boards) improve voting efficiency by better aggregating directors' information. Consistent with the model's implications, our...

In this paper we examine the setting of optimal legal standards to simultaneously induce parties to invest in care and to motivate law enforcers to detect violators of the law. The strategic interaction between care providers and law enforcers determines the degree of efficiency achieved by the...