An intermediary must make a decision on behalf of a group of agents, who are privately informed about their valuations attached to decisions. Examples include the government acting as an intermediary in the provision of public goods. We show that an imperfectly informed intermediary can help...

Many important intertemporal decisions are made by groups rather than individuals. What happens to collective decisions when there is internal conflict about the tradeoff between present and future has not been thoroughly investigated so far. We study experimentally the causal effect of group...

Many committees - juries, political task forces, etc. - spend time gathering costly information before reaching a decision. We report results from lab experiments focused on such information-collection processes. We consider decisions governed by individuals and groups and compare how voting...

Weighted committees allow shareholders, party leaders, etc. to wield different numbers of votes or voting weights as they decide between multiple candidates by a given social choice method. We consider committees that apply scoring methods such as plurality, Borda, or antiplurality rule. Many...

Many important intertemporal decisions are made by groups rather than individuals. What happens to collective decisions when there is internal conflict about the tradeoff between present and future has not been thoroughly investigated so far. We study experimentally the causal effect of group...

I analyze the assignment mechanisms used by the political parties in the US Senate to match their members to legislative committees from a matching theory perspective: one-sided, many-to-many matching with existing tenants. Understanding the data-generating process through detailed analysis of...