Conditional commitment devices such as price matching guarantees or legal contracts can be highly efficient and improve the outcomes for involved parties. In the context of public goods, however, empirical evidence on the cooperation-enhancing effect of conditional commitments is scarce. In this...

Conditional commitment devices such as price matching guarantees or legal contracts can be highly efficient and improve the outcomes for involved parties. In the context of public goods, however, empirical evidence on the cooperation-enhancing effect of conditional commitments is scarce. In this...