Arai, Yoichi; Hsu, Yu-Chin; Kitagawa, Toru; Mourifié, … - In: Quantitative economics : QE ; journal of the … 13 (2022) 1, pp. 1-28
We propose a new specification test for assessing the validity of fuzzy regression discontinuity designs (FRD‐validity). We derive a new set of testable implications, characterized by a set of inequality restrictions on the joint distribution of observed outcomes and treatment status at the...