This paper presents a survey on panel data methods in which Iemphasize new developments. Inparticular, linear … multilevel models with a new variant are discussed. Furthermore, non-linear, nonparametric and semiparametric models are analyzed …

This paper presents a survey on panel data methods in which I emphasize new developements. In particular, linear … multilevel models with a new variant are discussed. Furthermore, non-linear, nonparametric and semiparametric models are analyzed …