Fixed and Random Effects Models for Count Data

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Risk and Adaptation: Evidence from Global Hurricane Damages and Fatalities (2016, methodology): “Since we use identical regressors in both our equations, there is no efficiency gain in the SUR model relative to the OLS model (Greene 2003); thus, the estimated equations are identical.”
An Empirical Analysis of User Content Generation and Usage Behavior on the Mobile Internet (2011, methodology): “Therefore, we did implement a Poisson fixed effect model in which the incidental parameter problem is not a problem (Lancaster 2000, Greene 2007).”
Knowledge Spillovers from Clean and Dirty Technologies (2014, background): “…effects negative binomial estimator available in stata (xtnbreg, fe) untrustable, since it does not truly conditions out the fixed effects (only the overdispersion coefficient is assumed to vary across units - see Allison and Waterman (2002); Greene (2007), for more information on this issue).”