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David McKenzie's blog

Questioning the External Validity of Regression Estimates: Why they can be less representative than you think.

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A common critique of many impact evaluations, including those using both experimental and quasi-experimental methods, is that of external validity – how well do findings from one setting export to another? This is especially the case for studies done on relatively small samples, although as I have ranted before, there appears to be a double standard in this critique when compared to both other disciplines in economics and to other development literature.

Some new experiments trying to help more people emigrate from the Philippines

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Moving from a developing to a developed country results in immediate large increases in income for the migrants, with gains that far exceed those of any other development policy intervention (e.g. Clemens et al 2008; McKenzie et al. 2010, Gibson and McKenzie, forthcoming).

Friday links September 6, 2013: Cash, Scarcity, Justice, Taking your Kids to work (Development edition), and more…

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Insights from 15 years of Fieldwork in Thailand

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A new book Chronicles from the Field: The Townsend Thai Project provides a behind-the-scenes look at putting together one of the most impressive data collection projects in development  - Rob Townsend’s Thai data, which has conducted monthly surveys on a panel of Thai households for over 150 consecutive months, as well as annual surveys. The Townsend Thai data is available online and has spurred a number of research papers by Rob and his co-authors. This book looks at what it takes to produce all this data.

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