We study three triggers of conflict and explore their resultant emotional reactions in a laboratory experiment. Economists suggest that the primary trigger of conflict is monetary incentives. Social psychologists suggest that conflicts are often triggered by fear. Finally, evolutionary...

Early in their formation, modern nation-states face internal conflicts that impede their economic development. This paper examines the role of national identity in helping modern states overcome such conflicts to provide public goods and grow. We develop a model in which the population can...