When providing public goods through voluntary contributions, a donor may introduce unilateral matching in order to … reduce underprovision of the public good and thus inefficiency. By itself, however, matching benefits the donor but harms the …

-called matching approaches. Matching schemes are regarded as providing a promising approach to overcome undersupply of public goods … like climate protection. The functioning of matching mechanisms in a setting with an incomplete agreement, i.e. a contract … by analyzing incomplete matching agreements in the context of international climate protection. We analyse their effect …