Does economic inequality diminish the capacity of democracies to extract voluntary sacrifice? And does inequality undermine citizen's willingness to do their civic duty when the state is under threat? We address these questions by linking income inequality with people's willingness to fight for...

We show that the prevalence of prolonged tennis contests drops sharply when the ambient environment deteriorates through heat or pollution. We develop a multi-battle dynamic model to investigate how the disutility from a protracted competition shapes agents' willingness to fight on. Our theory...

We estimate structural models of guilt aversion to measure the population level of willingness to pay (WTP) to avoid feeling guilt by letting down another player. We compare estimates of WTP under the assumption that higher-order beliefs are in equilibrium (i.e. consistent with the choice...