This essay illustrates that if Savage's small world assumption is relaxed, one can construct a theory of bounded rationality that incorporates some of the insights from recent work in cognitive psychology. The theory can be used to explain why contracts are incomplete and the existence of...

We examine an evolutionary model of preferences in a society where resources are finite. Agents who develop better strategies for bargaining and trading will grow to dominate the population. We show that successful agents will have preferences that exhibit the "endowment effect". The social...

Many people believe that prevailing commission rates for residential real estate brokers are "too high" but do not offer a formal model. This paper presents a general equilibrium model of the housing market in which real estate brokers serve as matching intermediaries. We use this model to...

In an efficient market news is incorporated into prices rapidly and completely. Attempts to test for this in financial markets have been undermined by the possibility of information leakage unobserved by the econometrician. An alternative is to switch to laboratory conditions, at the price of...

We conduct the first high-frequency comparison of pricing behaviour in betting markets making use of a novel dataset of prices from the UK's two largest bookmakers and the world's largest betting exchange. We investigate price competitiveness, finding that the betting exchange structure offers...