David McKenzie
@dmckenzie001
World Bank researcher focusing on small businesses and migration & impact evaluation methods, Development Impact blogger, ...David.McKenzie.1485 elsewhere
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https://sites.google.com/site/decrgdmckenzie/ 03-12-2011 02:50:15
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In today's blog, a new paper by Jason Kerwin, Nada Rostom & Olivier Sterck shows that joint orthogonality tests of balance between treatment and control can over-reject (so you conclude not balanced) and that RI can solve this blogs.worldbank.org/en/impactevalu…