of physical and human capital, labor as well as other covariates and common trends for a panel of 23 OECD countries … authors estimate a mean field variational Bayes semiparametric model with random coefficients for this panel of countries …

A panel data set covering 145 countries between 1960 and 2010 has been investigated closely by using models of …

This paper considers kernel-based nonparametric estimation of panel models using local linear least squares, when both … nonparametric fixed-effects models, it is shown that conventional within transformation or first difference render panel ….S. state-level panel data on nitrogen oxide and sulfur dioxide emissions …