Two recent review papers on the state-of-the-art of Empirical Operations Management research

Terwiesch, Olivares, Staats and Gaur (2019) A Review of Empirical Operations Management over the Last Two Decades Manufacturing and Service Operations Management, forthcoming   Ho, Lim, Reza and Xia (2017) Causal Inference Models in Operations Management Manufacturing and Service Operations Management 19(4): 509-525

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Testing the validity of the Diff-in-Diff design when treatment timing varies (done rigorously)

Sharing a very interesting new paper on DiD methods when used with heterogeneous treatment effects: Andrew Goodman-Bacon, 2018. Differences-in-Differences with Variation in Treatment Timing, Working Paper. The paper shows how (and when) a DiD estimator can be decomposed as a weighted average of 4 simple and intuitive "2x2" average causal effects. Some of these effects may … Continue reading Testing the validity of the Diff-in-Diff design when treatment timing varies (done rigorously)