If a stochastically monotone aggregate of asymmetrically informed individuals' expectations of a random variable is common information, then the aggregate must be a sufficient statistic, and all the individuals must have the same relevant information and agree on their expectations. If a...

This essay provides an introduction to our recent work on robust mechanism design. The objective is to provide an overview of the research agenda and its results. We present the main results and illustrate many of them in terms of a common and canonical example, the single unit auction with...

This chapter is a very compressed review of the neoclassical orthodoxy on the nature of rationality on economic theory. It defends the orthodoxy both against the behavioral criticism that it assumes too much and the revisionist view that it assumes too little. In places, especially on the...