1 Erratum to: J Cult Econ DOI 10.1007/s10824-016-9285-6

In the original article, the Tables 1, 2 and 4 are published incorrectly. The correct tables are given below. The original article was corrected.

Table 1 Experimental design and descriptive statistics about students
Table 2 Timeline
Table 4 Descriptive statistics at the class level by treatment