Carlsson, Fredrik; Johansson-Stenman, Olof; Pham, Khanh Nam - Nationalekonomiska institutionen, Handelshögskolan - 2012
in rural Vietnam at four different points in time from 2005 to 2011. Two of the experiments are natural experiment, one … is a field experiment and one is a public good experiment. Since the experiments were conducted far apart in time, the … these experiments, whether correcting for other covariates or not. This suggests that pro-social preferences are fairly …