We study holdings in merger and acquisition (M&A) targets by financial conglomerates in which affiliated investment banks advise the bidders. We show that advisors take positions in the targets before M&A announcements. These stakes are positively related to the probability of observing the bid...

We study holdings in M&A targets by financial conglomerates which affiliated investment banks advise the bidders. We show that advisors take positions in the targets before M&A announcements. These stakes are positively related to the probability of observing the bid and to the target premium....

We study IPOs by focusing on the degree of portfolio diversification of the shareholders taking the company public. We argue that a less diversified shareholder has more to gain from taking the company public and would be more willing to accept a lower price for the sale of its shares, i.e....

We study the link between a firm's quality of governance and its alliance activity. We consider alliances as a commitment technology that helps a company’ Chief Executive Officer overcome agency problems that relate to the inability to ex ante motivate division managers. We show that...

We study the effects of the controlling shareholders' portfolio diversification on the initial public offering (IPO) process. Less diversified shareholders have more to gain from taking their firm public, and are more willing to accept a lower price for shares. We test these hypotheses using the...

Merton [1987. A simple model of capital market equilibrium with incomplete information. Journal of Finance 42, 483-510] shows that stocks about which not all investors are informed should yield a return premium. This premium depends on the shadow cost of incomplete information which in turn...

I analyze the portfolios of individual investors who have changed their place of residence. As distance from a company they invest in changes, investors adjust their portfolio composition. The farther investors move away from the closest establishment of a company in their portfolio, the more of...

This paper tests whether the reforms effected by the Italian Stock Exchange at the beginning of the nineties (creation of specialized intermediaries, obligation to trade on the official markets, screen-based trading and cash settlement) have increased market efficiency.

We study rights offerings using a sample of 8,238 rights offers announced during 1995-2008 in 69 countries. Although shareholders prefer having the option to trade rights, issuers deliberately restrict tradability in 38% of the offerings. We argue that firms restrict rights trading to avoid the...