| Abstract: | This essay discusses practical issues confronted when conducting surveys as well as designing appropriate field trials. First, it looks at the challenge of ensuring transparency while maintaining confidentiality. Second, it explores the role of trust in light of asymmetric information held by the surveyor and by the respondents as well as the latter's expectations as to what their participation will set in motion. The authors present case studies relevant to both of these issues. Finally, they discuss the role of ethical review from the perspective of research conducted through the World Bank. |
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