Arnold, Jens Matthias; Bassanini, Andrea; Scarpetta, Stefano - 2008
regression by imposing cross-country homogeneity restrictions only on long-run coefficients, while letting the speed of … because of cross-country heterogeneity in population growth, technical change and progressiveness of the income tax. Therefore …, standard dynamic fixed effect specifications, by imposing cross-country homogeneity restrictions on speed of convergence and …