Ancillary Experiments: Opportunities and Challenges

Kate Baldwin and Rikhil Bhavnani

No wp-2013-024, WIDER Working Paper Series from World Institute for Development Economic Research (UNU-WIDER)

Abstract: 'Ancillary experiments' are a new technique whereby researchers use a completed experiment conducted by others to recover causal estimates of a randomized intervention on new outcomes. The method requires pairing new outcome data with randomized treatments the researchers themselves did not oversee. Since ancillary experiments rely on interventions that have already been undertaken, oftentimes by governments, they can provide a low-cost method with which to identify the effects of large-scale and possibly ethically difficult interventions.

Keywords: Evaluation; Quantitative research methodology (search for similar items in EconPapers)
Date: 2013
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