Morally monotonic choice in public good games

Rational choice theory, including models of social preferences, is challenged by decades robust data from public good games. Provision goods, funded lump-sum taxation, does not crowd out private provision on a one-for-one basis. games elicit more than payoff-equivalent appropriation This paper offers morally monotonic theory that incorporates observable moral reference points and consistent with the two empirical findings. The model has idiosyncratic features motivate new experimental design. Data our experiment three previous experiments favor monotonicity over alternative rational prominent belief-based kindness, popular reference-dependent loss aversion.