The model presented here shows that extreme uncertainty between an entrepreneur and potential investors can lead to the exclusive use of equity and riskless debt for small business financing. The paper derives these results without any restrictions on the available contract space, the...

Prior to the announcement of a tender offer, the bidding firm is legally allowed to acquire shares in the open market, subject to some limitations. These pre-announcement purchases are known as toeholds. This paper presents a simple model that describes the bidder's optimal toehold acquisition...

Regulatory authorities often lack a "smoking gun" (i.e., hard evidence such as a note or a memorandum) when prosecuting individuals for illegal insider trading. As a result, many insider trading cases depend solely on circumstantial evidence, which is usually obtained by associating trades with...