goods provision embedded in a social context and find that in the absence of explicit norms externalities have almost no … effect. With an endogenously formed provision norm positive as well as negative externalities dampen provision as compared to … no externalities. We explain the surprisingly low provision under positive externalities by the providers' increased risk …

investigate the incentives to expend effort for a prize that produces consumption externalities and consider alternative … regulatory policies. We find relatively more global consumption externalities will increase (decrease) rent seeking when … consumption externalities are negative (positive). We show how introducing Pigouvian taxation (possibly with revenue transfer) and …