We investigate the impact of inequality on cooperation using a linear public good game and focusing on heterogeneity in the source of income, where some participants work for their endowment (“workers”) while others do not (“non-workers”). The key finding of our paper is that cooperation...

The paper reviews the theory of environmental taxation under first best and second best conditions. It argues that negative environmental externalities lead to reductions of the provision of public goods, while investment in abatement increases the supply of public goods. Together with optimal...

We study whether compensating people who volunteer to be leaders in a public goods game creates a social crowding-out effect of moral motivation among the others in the group. We report from an experiment with four treatments, where the base treatment is a standard public goods game with...