Development and finance
Payment by Results (PbR)
Definition
Payment by results is a financing approach in which payments are made only after independently verified achievement of pre-agreed outputs or outcomes, rather than against expenditure or activities. Variants include results-based aid, development impact bonds and the World Bank's Program-for-Results instrument, all sharing the principle of disbursement linked to verified performance.
References
Supports definition and framing.
Overview
What it means
Tying money to results gives recipients flexibility in how they achieve outcomes and transfers performance risk to them. The approach demands credible verification systems and careful indicator design to avoid incentives to chase easy targets or neglect unmeasured goals — challenges well documented in health, education and climate finance.
How it is used
PbR is used by development agencies and climate funds — including results-based payments for REDD+ forest emission reductions — and in domestic public service contracting.
Why it matters
Results-based finance can sharpen accountability and value for money in sustainability spending, but its incentive effects make it a contested tool whose design determines whether it rewards real change.