%0 Report %A Grund, Christian %A Monschau, Philipp %T Facing Inflated Rules – Experimental Evidence from Threshold Public Goods Games %D 2025 %8 2025 Aug %I Institute of Labor Economics (IZA) %C Bonn %7 IZA Discussion Paper %N 18075 %U https://www.iza.org/index.php/publications/dp18075 %X We study the role of purpose-based rules for behavior and outcomes in a threshold public good game. Rules can be sufficient or even inflated in terms of proposing a fulfilling behavior. We conduct a lab experiment to describe the implications caused by the inflation of a rule. Our study shows that inflated rules are obeyed less. Yet, rule-following occurs also with inflated rules which leads to lower efficiency regarding exactly providing the threshold. A fair share option can help to coordinate efficiently. We complement our analysis by the investigation of the role of the implemented rules for the ex-post optimal behavior, i.e. evaluating the individual contribution depending on the individual payoff. %K thresholds %K groups %K cooperation %K coordination %K rule-following %K public goods