It is important to include return-seeking investors and end beneficiaries in the design of Pay-For-Success programs.
The lack of rigorous evidence about the effectiveness of most social programs puts constraints on how widely Pay-For-Success can be implemented
The important payoff of pay-for-success is that it will encourage governments to spend more money—more wisely—on social programs.
Last Word: V. Kasturi Rangan and Lisa A. Chase respond to the eight people who commented on their article examining the pay-for-success model.