Difference in differences
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Difference in Differences is a nonexperimental technique used in econometrics that measures the effect of a treatment at a given period in time. It is often used to measure the change induced by a particular treatment or event, though may be subject to certain biases (mean reversion bias, etc)
[edit] See also
[edit] External links
- M. Bertrand, E. Duflo, S. Mullainathan, "How Much Should We Trust Differences-in-Differences Estimates?", National Bureau of Economic Research, March 2002
- T. Conley and C. Taber, "Inference with "Difference in Differences" with a Small Number of Policy Changes", National Bureau of Economic Research, July 2005
