Momentum for policy change: alternative explanations for the increased interest in results-based financing in Uganda.

The different explanations illustrate the strengths and the vulnerability of the results-based financing policy agenda in Uganda. In the short term, donor aid has been the main factor shifting the policy agenda in favour of results-based financing. The high cost of results-based financing is likely to slow implementation. If results-based financing is to find a good fit within the Ugandan health system, and other similar settings, then policy and action are needed to improve system readiness.