Masten, Matthew A.; Poirier, Alexandre - In: Quantitative economics : QE ; journal of the … 11 (2020) 1, pp. 41-111
one which indexes relaxations of the baseline rank invariance assumption. These classes of assumptions nest both the point … identifying assumptions of random assignment and rank invariance and the opposite end of no constraints on treatment selection or … sufficiently weak conclusions are robust to simultaneous failures of rank invariance and random assignment, while some stronger …