McKenzie, DavidBruhn, Miriam2014-02-122014-02-122013-02https://hdl.handle.net/10986/17031This note shows how the rich administrative data collected by many governments can be used to evaluate a policy reform, and provides an example where impact evaluation reveals that a policy didn t work as well as intended.en-USCC BY 3.0 IGO10.1596/17031