Walk the Talk? The Effect of Voting and Excludability in Public Goods Experiments

Table 4

The gender and major effects in Experiment 1.

Variable	Model 4	Model 5	Model 6
Dependent variable	Individual contribution
FEMALE (YES = 1)	0.807^∗∗∗		0.956^∗∗∗
DUMMY ECONOMICS (YES = 1)		−0.790^∗∗∗	−0.497^∗∗∗
FEMALE ∗ ECON (YES = 1)			−0.666^∗∗∗
Controlled for	Round, voting, type of project, dummy for playing XPG
Akaike Info Criterion	21840	21837	21795
Number of obs.	4400 (44 groups × 20 rounds × 5 players)

∗∗∗significant at 1% level, ∗∗significant at 5% level, ∗significant at 10% level.