In this paper we model a financial market composed of agents with heterogeneous beliefs who change their strategy over time. We propose two different solution methods which lead to two different types of endogenous dynamics. The first makes use of the maximum entropy approach to obtain an...

Regulation and the negligence rule are both designed to obtain compliance with desired standards of behavior, but they differ in a primary respect: compliance with regulation is ordinarily assessed independently of the occurrence of harm, whereas compliance with the negligence rule is evaluated...

Regulation and the negligence rule are both designed to obtain compliance with desired standards of behavior, but they differ in a primary respect: compliance with regulation is ordinarily assessed independently of the occurrence of harm, whereas compliance with the negligence rule is evaluated...

We study a simple static economy with collateralized loan contracts and an incomplete asset market. We study whether economic forces operate to keep asset price equal to fundamentals in this economy. We find that asset prices may be higher than the valuation of any agent in the economy, i.e.,...

Noise traders are agents whose theoretical existence has been hypothesized as a way of solving certain fundamental problems in Financial Economics. We briefly review the literature on noise traders. The is an entry for The New Palgrave: A Dictionary of Economics, 2nd Edition (Palgrave Macmillan:...

How can fire sales for financial assets happen when the economy contains well capitalized, but non-specialist investors? Our explanation combines rational expectations equilibrium and "lemons" models. When specialist (informed) market participants are liquidity-constrained, prices become less...