We study an economy with traders whose payoffs are quasilinear and their private signals are informative about an unobserved state parameter. The limit economy has infinitely many traders partitioned into a finite set of symmetry classes called types. It has a unique rational expectations...

Robert Wilson und Paul Milgrom erhielten am 10. Dezember 2020 den Preis der Schwedischen Nationalbank für Wirtschaftswissenschaften zu Ehren von Alfred Nobel. Die Ökonomen erhielten den Preis für ihre Beiträge zur Auktionstheorie und für die Entwicklung neuer Auktionsformate.

We posit a standard model of an asymmetric double auction with interdependent values in which each trader observes a private signal about a hidden state before submitting a bid or ask price for a unit demand or supply. The state and signals are one-dimensional, traders’ signals are independent...