In the innovation literature, little attention has been paid to technical efficiency as a measure of performance, despite the fact that technical efficiency is key to explaining firm productivity. In this study we analyze the influence of internal R&D, external R&D and R&D cooperation on the...

This article introduces a unified methodology for estimating and testing nonlinear econometric models defined by conditional moment restrictions. These models are very common in econometrics, such as nonlinear rational expectation models. The current approach for inference in these models is the...

Este artículo se basa en un análisis general de la realidad actual de la logística en Europa y en los Países emergentes, teniendo en cuenta sus diferentes momentos de evolución como proyectos empresariales diferenciados dentro de un mundo globalizado, y viendo cual es el impacto que tiene...