The main objective of this study is to investigate the impact of corporate R&D activities onfirms’ performance, measured by labour productivity. To this end, the stochastic frontiertechnique is applied, basing the analysis on a unique unbalanced longitudinal datasetconsisting of 532 top...

This paper analyzes the impact of load factor, facility and generator types on the productivity of Korean electric power plants. In order to capture important differences in the effect of load policy on power output, we use a semiparametric smooth coefficient (SPSC) model that allows us to model...