We analyze price formation and liquidity in a non-anonymous specialist market. Our main hypothesis is that the non-anonymity allows the specialist to assess the probability that a trader trades on the basis of private information. He uses this knowledge to price discriminate. This can be...

Results are reported of a series of nine market experiments with asymmetric information and a fundamental value process that is more 'realistic' than those in previous experiments. Both a call market institution and a continuous double auction mechanism are employed. Considerable pricing...

The overvaluation hypothesis (Miller 1977) predicts that a) stocks are overvalued when there are short selling restrictions and that b) the overvaluation is increasing in the degree of divergence of opinion. We design an experiment that allows us to test these predictions in the laboratory. Our...

We analyze price discovery in floor-based and electronic exchanges using data from the German stock market. We find that both markets contribute to price discovery. There is bidirectional Granger causality, and prices from both markets adjust to deviations from the long-run equilibrium. We use...

We develop a model in which limit order traders possess volatility information. We show that in this case the size of the bid-ask spread is informative about future volatility. Moreover, if volatility information is in part private, we establish that (i) the size of the bid-ask spread and (ii)...

The last decade has witnessed a dramatic increase in both the number and the market share of screen-based trading systems. Electronic trading systems do offer lower operating costs and the possiblilty of remote access to the market. On the other hand, arguments based on the anonymity of...