We consider the Difference in Difference method for estimating policy impacts in an observational study framework where effects are multiplicative and sample units are different in size. In this case, the natural counterpart is the Ratio of Ratios method, but there are other alternatives that we discuss to some extent.

A note on the Difference in Differences method with multiplicative effects and unequal size units

giorgio eduardo montanari
;
marco doretti
2019

Abstract

We consider the Difference in Difference method for estimating policy impacts in an observational study framework where effects are multiplicative and sample units are different in size. In this case, the natural counterpart is the Ratio of Ratios method, but there are other alternatives that we discuss to some extent.
2019
978-88-86638-65-4
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11391/1456059
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