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randomization inference

You ran a field experiment. Should you then run a regression?

Berk Ozler's picture
Recently, a colleague came over for dinner and made the following statement: “Person X told me that Imbens is now saying that we should not be running regressions to estimate average treatment effects in experiments.” When I showed some sympathy for this statement while focusing more on making tortillas, she was resistant: it was clear she did not want to give up on regression models…

What does Alwyn Young’s paper mean for analysis of experiments?

David McKenzie's picture

I’ve been asked several times what I think of Alwyn Young’s recent working paper “Channelling Fisher: Randomization Tests and the Statistical Insignificance of Seemingly Significant Experimental Results”. After reading the paper several times and reflecting on it, I thought I would share some thoughts, with a particular emphasis on what I think it means for people analyzing experimental data going forward.