good economy, can also be used to provide a diagrammatical exposition of matching mechanisms and their effects on public … good supply and welfare. In particular, we describe, on the one hand, for which income distributions interior matching … equilibria result and, on the other hand, for which income distributions the agents voluntarily participate in a matching …

, given any income distribution within the interiority zone players can always implement small matching schemes to make them … beyond the interiority zone, there are no Pareto-improving matching equilibria. …Matching mechanisms have been proposed to mitigate underprovision of public goods in voluntary contribution models …

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 …

Matching mechanisms are regarded as an important instrument to bring about Pareto optimal allocations in a public good … interior matching equilibrium, however, emerges only under very special conditions. But we show in this note that corner … results by a simple numerical example. -- public goods ; matching ; Pareto optimality …