Generalized-Poisson Pseudo Maximum Likelihood Estimator (GPPML for Stata)
Reference: Kwon, Ohyun, Jangsu Yoon, and Yoto V. Yotov. 2025. “A Generalized Poisson-Pseudo Maximum Likelihood Estimator.” Journal of Business & Economic Statistics, 1–14. https://doi.org/10.1080/07350015.2025.2544190.