共 39 条
- [8] Identifying Technology Spillovers and Product Market Rivalry [J]. ECONOMETRICA, 2013, 81 (04) : 1347 - 1393
- [9] Borusyak K., 2021, REVISITING EVENT STU, DOI 10.48550/arXiv.2108.12419
- [10] Difference-in-Differences with multiple time periods [J]. JOURNAL OF ECONOMETRICS, 2021, 225 (02) : 200 - 230