TY - JOUR TI - Econometric models based on count data. Comparisons and applications of some estimators and tests AU - A. Colin Cameron AU - Pravin K. Trivedi JO - Journal of Applied Econometrics PY - 1986 VL - 1 IS - 1 DO - 10.1002/jae.3950010104 UR - https://doi.org/10.1002/jae.3950010104 ER -