Ackermans, Lennart B. “Reflections on the 2021 Nobel Memorial Prize Awarded to David Card, Joshua Angrist, and Guido Imbens”. Erasmus Journal for Philosophy and Economics 16, no. 1 (July 4, 2023): 77–96. Accessed July 13, 2024. https://ejpe.org/journal/article/view/763.