We study horizontal partial ownership arrangements in an oligopolistic industry in the absence of synergies. Contrary to existing results, we find that a dominant shareholder may choose to acquire shares in a competitor although the aggregate profit of the two firms is reduced. This is due to a...

We analyze the incentives of a controlling shareholder of a firm to acquire, directly or indirectly through his firm, shares in a competitor. We charaterize the conditions under which these partial acquisitions are profitable for this dominant shareholder as well as the equilibrium toehold and...