Paul Brest

Government agencies frequently contract with nonprofit or for-profit organizations to provide services to improve the well-being of their clients-for example, by reducing recidivism, homelessness, or drug use. Governments have traditionally paid service providers on the basis of the number of clients they treat. The past decade has seen a number of Pay for Success (PFS) or results-based finance (RBF) programs, in which service providers are paid for...