# Contributors

## Author

- **Isaac Gerber** - Project creator, architect, and primary developer

## Contributors

- **Wenli Xu** ([@wenddymacro](https://github.com/wenddymacro)) - Implemented the WooldridgeDiD (ETWFE) estimator: saturated OLS, logit, and Poisson QMLE paths with ASF-based ATT and delta-method SEs (Wooldridge 2021, 2023). Faculty of Finance, City University of Macau.
