In this paper, we consider what may be done when researchers anticipate that in the implementation of field experiments, random assignment to experimental and control groups is likely to be flawed. We ...

Random case assignment is a hallmark of the federal justice system. Judges can't shop for cases they like and shunt aside the ones they don't. Otherwise, Medicare cases would never be heard.

Our results apply to the random assignment problem as well. Econometrica publishes original articles in all branches of economics - theoretical and empirical, abstract and applied, providing ...

To illustrate the importance of random assignment, I would like you to imagine we did not use random assignment in our study of treatment for COVID-19.