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David Evans
Development economist tweeting about education, health, social protection, impact evaluation, & African lit. Tukopamoja = We Are Together in Kiswahili
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David Evans 3h
“Problem-driven iterative adaptation drives successful reforms” in education as in other areas
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David McKenzie 4h
Can predicting successful entrepreneurship go beyond “choose smart guys in their 30s”? Comparing machine learning and expert judge predictions
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Tom Murphy Jan 18
What do we learn from increasing teacher salaries in Indonesia? More than the students did. with the study findings
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Andy de Barros 22h
Very helpful: the 's Strategic Impact Evaluation Fund with a new toolkit on measuring early childhood development
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David Evans 21h
I had a similar reaction to the title. Excited to read the underlying argument!
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Scott Weathers Jan 21
To my smart and qualified friends: is hiring an economist. THL has had a major impact on human health, animal rights, and the environment. Huge opportunity to study new research questions and influence decision-making. Please RT widely!
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David Evans Jan 21
I'd love to see an RCT on the value of donor consultants!
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David Evans Jan 21
I also proposed that RCTs are one empirical method. I'm not sure why you propose they're worse than other empirical methods. There have been problems with consultants for many years, totally independent from RCTs.
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David Evans Jan 21
Well, you proposed that it was difficult to reconcile two sets of findings. I proposed an explanation based on theory. You accused me of scientism without engaging the argument.
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David Evans Jan 21
I would recommend you not continue to contract those consultants. Best wishes!
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David Evans Jan 21
No one argues you need an RCT for every policy choice. And the US govt uses RCTs all the time -- to test education programs and labor programs.
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David Evans Jan 20
Thank you. Pretty easy to reconcile these: Indonesia teachers example was an unconditional pay increase, so no change in incentives. Tax collector experiment was performance-based so shifts incentives.
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Seema Jayachandran Jan 20
Nice thread by w/ thoughts on addressing gender inequality.
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David Evans Jan 20
Everybody's doing it...
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David Evans Jan 20
Would love to see the papers you referenced.
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David Evans Jan 20
An RCT is an empirical strategy. Many papers include both theory and empirics, and many papers have theory and then use RCTs to test that theory. I would propose that they are no more (or less) "theory free" than any other empirical strategy.
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David Evans Jan 20
Doomed Interventions: The Failure of Global Responses to AIDS in Africa by Professor JUST GOT MY COPY!
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David Evans Jan 20
Can you share a link to the QJE study?
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David Evans Jan 20
“Using ‘labs’ to build coalitions for learning”
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Rafael de Hoyos Jan 17
Excellent blog explaining why unconditional higher teacher salaries is an ineffective policy to improve student learning. By
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