Ending poverty is not only one of the twin goals of the World Bank, but also one of the Sustainable Development Goals. To design and optimize projects for poverty reduction, we need to measure their impact on poverty. This is quite difficult because changes in the poverty rate might take some time, and it is usually hard to attribute the impact to a particular project, especially without conducting a randomized controlled trial (RCT). But even if we manage to overcome these challenges, we need to measure poverty before the start of the project – as a baseline and to understand whether the project adequately targets the poor – and at the end of the project to assess its impact. And that is also not easy.

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