I present a fully-rational symmetric-information model of an IPO, as well as a dynamic imperfectly competitive model of the aftermarket trading that follows. The model helps explain why IPO share allocations favor large institutional investors. It also helps to explain IPO underpricing, and...

The last couple of decades has witnessed a growing interest in hedge funds. Academics and practitioners are intrigued by the distinct characteristics of these investment vehicles: hedge funds are flexible with respect to the types of securities they hold and the type of positions they take; they...

Understanding the value a customer has to a business is a fundamental problem. Accurate valuations are critical for setting appropriate levels of investment for targeted marketing and for the setting of individual customer service levels. Traditionally semi-qualitative methods using results from...

We consider a simple pure exchange economy with two assets, one riskless, yielding a constant return, and one risky, paying a stochastic dividend, and we assume trading to take place in discrete time inside an endogenous price formation setting. Traders demand for the risky asset is expressed as...

This paper aims at increasing our insights into the way financial markets respond to news. We view the market as a (nonlinear) filter of news on fundamentals. A stylized version of this situation is obtained by considering by a time dependent dividend rate which is driving the market. To model...

Recent research has shown a variety of computational techniques to describe evolution in an artificial stock market. One can distinguish the techniques based on at which level the learning of agents is modeled. The previous literature describes learning at either individual or social level. The...