Growth rate convergence, fact or artifact? An essay on panel data econometrics / Marc Nerlove -- Do panel data rescue the purchasing power parity (PPP) theory? / G.S. Maddala, Shaowen Wu and Peter C. Liu -- Neglected heterogeneity and dynamics in cross-country savings regressions / Nadeem U....

Mundlak ("On the Pooling of Time Series and Cross-Section Data", Econometrica, Vol. 46 (1978),pp. 69-85) showed that when individual effects are correlated with the explanatory variables in an error component (EC) model, the GLS estimator is given by the within. In this paper we bring out some...