Vogel, Johanna; Kratena, Kurt; Hranyai, Kathrin - 2015
and three types of labour (low-, medium- and high-skilled). For this purpose, the factor cost share approach based on the … duality of production theory is applied. Estimating the system of cost share equations derived from a translog cost function … technological change. We construct stocks of patents in these fields and integrate them into the system of cost share equations as …