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 rules...

This paper proposes several statistical tests for finite state Markov games to ex- amine whether data from distinct markets can be pooled. We formulate homo- geneity tests of (i) the conditional choice and state transition probabilities, (ii) the steady-state distribution, and (iii) the...