Glaeser, Edward L.; Sacerdote, Bruce I.; Scheinkman, Jose A. - In: Journal of the European Economic Association 1 (2003) 2-3, pp. 345-353
Aggregate data is often used to make inferences about individual level behavior. If there are social interactions in which one person's actions influence his neighbor's incentives or information, then these inferences are inappropriate. The presence of positive social interactions, or strategic...
