factors that are known to affect cooperation levels, and in so doing replicate and extend previous empirical research on … individual level using multiple methods, and at multiple times during the experiment. With this rich set of predictor variables …

, trustworthiness, cooperation and competitiveness using data on 1088 high-school students from 53 classes. These data, collected by … patience, time inconsistency and cooperation at the 5% significance level. We also show that these initial gender differences …

We study the coevolution of cooperation, preferences, and cooperative signals in an environment where individuals … in (social norms of) cooperation in societies which are not driven by social or environmental shocks. …