This paper provides an empirical application of Lee and Pitt’s (1986) approach to the problem of corner solutions in the case of panel data. This model deals with corner solutions in a manner consistent with the firm behavior theory while controlling for unobserved heterogeneity. In this...

[spa] La demanda de energia de las industrias lecheras : un análisis microeconómico, . por Alain Bousquet, Marc Ivaldi, Norbert Ladoux.. . En este artículo se procede a un análisis empírico de las posibilidades de substitución entre formas de energía para las empresas del sector de las...

Several unit root tests in panel data have recently been proposed. The test developed by Harris and Tzavalis (1999 JoE) performs particularly well when the time dimension is moderate in relation to the cross-section dimension. However, in common with the traditional tests designed for the...