EN
The article analyses a new financial instrument, social impact bond, which aim to achieve social outcomes on a pay-for-success basis. The authors present the mechanism of this instrument, the advantages and challenges related to its use, and selected examples of social impact bonds worldwide. They claim that public entities should not be the only one to bear responsibility for the outcomes of the social tasks, and more and more non-governmental organizations and private entities cooperate and participate in performing public administration tasks.