no code implementations • 14 Jul 2022 • Philip Marx, Elie Tamer, Xun Tang
Difference-in-differences is a common method for estimating treatment effects, and the parallel trends condition is its main identifying assumption: the trend in mean untreated outcomes is independent of the observed treatment status.
no code implementations • 10 May 2022 • Andrew Caplin, Daniel Martin, Philip Marx
A much studied issue is the extent to which the confidence scores provided by machine learning algorithms are calibrated to ground truth probabilities.
no code implementations • 4 Dec 2020 • Philip Marx
The sharp bounds use the full content of identified marginal distributions, and analytic derivations rely on the theory of stochastic orders.