We show that a rational expectations equilibrium need not be incentive compatible, need not be implementable as a perfect Bayesian equilibrium and may not be fully Pareto optimal, unless the utility functions are state independent. A comparison of rational expectations equilibria with core...

In this paper we report the results of an empirical investigation based on a sample of 105 failed merger bids that occurred in the UK in the 1980's. We find that target firms report large, significant, positive gains after the bid while bidder firms report large, significant, negative gains. We...