replacement incomes implies migration into unemployment. Defending wages with replacement incomes brings about first …) exclusion of migrants from a national subsidy program makes it possible to avoid a distortion of the migration pattern. …

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 …

under which matching mechanisms in a public good economy lead to interior matching equilibria in which all agents make … is a crucial determinant for the existence of interior matching equilibria. In addition, we explore which matching … optimal solutions through matching. …

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 …

-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 …

The paper studies the role of international implications after EU enlargement. Based on a formal model with migration … costs for both capital and labor, it predicts a two-sided migration from the new to the old EU countries which is later … reversed. As the migration pattern chosen by market forces turns out to be effici e nt, migration should not be artificially …