Impact Evaluation Research

The Impact Evaluation Working Paper Series represents all World Bank Policy Research Papers that make use of a rigorous causal identification strategy. The methodologies include experimental methods, such as randomized controlled trials (RCT), non- or quasi-experimental methods such as regression discontinuity designs, difference-in-differences, propensity score matching, as well as qualifying utilization of instrumental variables. It also includes review papers. 

Featured Research
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This paper provides an explanation for why many information campaigns fail to affect decision-making. The authors experimentally show that a large information intervention
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This paper uses the roll-out of the national health insurance in Ghana to assess the cushioning effect of coverage on the financial consequences of health shocks and resulting changes in coping behaviors.
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This paper tests the effectiveness of an entertainment education television series, MTV Shuga, aimed at providing information and changing attitudes and behaviors related to HIV/AIDS. Using a
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Does financial compensation for providing environmental conservation, improve the food security of the rural poor in the drylands of Sub-Saharan Africa? This paper explores this question using data from a randomized controlled trial of a large scale reforestation implemented by the Government of Burkina Faso.
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This paper investigates the immediate and medium-term behavioral response to an emotional trigger designed to affect biases in intertemporal financial decisions.
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This paper investigates whether the Targeting the Ultra Poor program can lift households out of poverty in a fragile context: Afghanistan
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