2016

Double/Debiased Machine Learning for Treatment and Causal Parameters

Chernozhukov, Victor, Chetverikov, Denis, Demirer, Mert et al.

Understand

Most modern supervised statistical/machine learning (ML) methods are explicitly designed to solve prediction problems very well.

  • Achieving this goal does not imply that these methods automatically deliver good estimators of causal parameters.
  • Examples of such parameters include individual regression coefficients, average treatment effects, average lifts, and demand or supply elasticities.
  • In fact, estimates of such causal parameters obtained via naively plugging ML estimators into estimating equations for such parameters can behave very poorly due to the regularization bias.

Reading the bibliography…