Posttakeover moral hazard by the acquirer and free-riding by the target shareholders lead the former to acquire as few shares as necessary to gain control. As moral hazard is most severe under such low ownership concentration, inefficiencies arise in successful takeovers. Moreover, share supply...

This paper analyses takeovers of companies owned by atomistic shareholders and by one minority blockholder, all of whom can only decide to tender or retain their shares. As private benefit extraction is inefficient, the post-takeover share value increases with the bidder's shareholdings. In a...