In the literature technical change is mostly assumed to be exogenous and specified as afunction of time. However, some exogenous external factors other than time can also affecttechnical change. In this paper we model technical change via time trend (purely externalnon-economic) as well as other...

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...

In the literature technical change is mostly assumed to be exogenous and specified as a function of time. However, some exogenous external factors other than time can also affect technical change. In this paper we model technical change via time trend (purely external non-economic) as well as...

In the neoclassical production functions model technical change (TC) is assumed to be exogenous and it is specified as a function of time. However, some exogenous external factors other than time can also affect the rate of TC. In this paper we model TC via a combination of time trend (purely...