The book is a collection of contributed papers in honor of Roy Radner. Reflecting Radner's broad range of research interests, the papers cover quite diverse areas, ranging over general equilibrium analysis of the market mechanism, economies undergoing transition, satisficing behavior, markets...

Theory of social choice mechanisms is a comparatively new theory. The first results were obtained as early as the beginning of the seventies. The book contains the most important results of the theory. In two main topics the book describes what mechanisms allow equilibrium solutions at any...