In the literature on electoral politics full convergence of policy platforms is usually regarded as socially optimal. Thereason is that risk-averse voters prefer a sure middle-of-the-road policy to a lottery of two extremes with the sameexpectation. In this paper we study the normative...

This paper develops a model of self-interested norm-driven behavior and uses it to analyze public policy formation within a democracy. If voters are concerned with broad normative issues, politicians will take policy positions in part to advance voter interests in "virtue" or "the public...

Majority voting is considered an efficient information aggregation mechanism in committee decision-making. We examine if this holds in environments where voters first need to acquire information from sources of varied quality and cost. In such environments, efficiency may depend on free-riding...