We construct an election game to study the electoral impacts of biased candidate endorsements. We derive a set of testable predictions. We test these in a laboratory experiment and find that observed election outcomes and vote shares are well predicted. We find no support, however, for our...

We study how friendship shapes students' political opinions in a natural experiment. We use the indicator whether two students were exogenously assigned to a short-term \integration group", unrelated to scholar activities and dissolved before the school year, as instrumental variable for their...