Employing an instrumental variable approach based on the regulatory change of tick sizes, I examine the link between the liquidity of a firm's equity and activism by large shareholders. I find that liquidity increases the likelihood of block formation. Blockholders of more liquid securities take...

The ongoing controversy over Melrose’s purchase of engineering company GKN illustrates many common misunderstandings about how free markets can work to the benefit of all. Shareholders, not politicians, should decide how to run their businesses, including whether a new management team could do...

This paper analyzes how outsiders, such as bidders or activist investors, overcome the lack of coordination and information among dispersed shareholders. We identify the two basic means to achieve this goal. First, the outsider must relinquish private benefits in a manner that is informative...