free rider problem

The free rider problem makes it difficult for voluntary mechanisms alone to fund the provision of public goods.免费搭便车问题使得仅靠自愿机制来资助公共物品的供给变得困难。

In international climate agreements, the free rider problem undermines collective action on emissions reduction.在国际气候协议中，免费搭便车问题破坏了减少碳排放的集体行动。