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Ahmed H. Youssef

Publications (1)

Estimating the Number of Patents in the World Using Count Panel Data Models

Ahmed H. Youssef, Mohamed R. Abonazel & Elsayed G. Ahmed · Asian Journal of Probability and Statistics · 2020

In this paper, we review some estimators of count regression (Poisson and negative binomial) models in panel data modeling.  These estimators based on the type of the panel data model (the model with fixed or random effects). Moreover, we study and compare the performance of thes...

Open access Research Article 10.9734/ajpas/2020/v6i430167