This is a survey on the recent game theoretic literature on committee decision making. We consider theoretical work on the role of (i) strategic voting, (ii) costly information acquisition, (iii) conflicting interests, and (iv) communication in committees. Moreover, we review recent experimental...

Abstract We study a one-shot information aggregation problem in which agents have to provide effort in order to understand the information they are supposed to process. Agents have a common interest in reaching a good decision but suffer from an individual cost of providing effort. Showing that...

JEL Classification: D71, E52

A group of P identical managers has to make a choice between N alternatives. They benefit from reaching the decision quickly. In order to learn which is the best option, the alternatives have to be compared. A manager is able to identify the better one of two alternatives only with a certain...

This Paper provides a game theoretic extension of Radner's (1993) model of hierarchical information aggregation. It studies the role of the hierarchy design for the speed and quality of a collective decision process. The hierarchy is described as a programmed network of agents. The programme...