We investigate the contribution of different inputs, particularly different knowledge sources, on regional patenting … output in the framework of a knowledge production function. The knowledge sources included are R&D employment, size of public … departments, German Science Foundation (DFG), and from other sources. The contribution of these knowledge sources is tested …

We measure the efficiency of regional innovation systems (RIS) in Germany by means of a knowledge production function … second approach assesses regional differences within the framework of a stochastic frontier knowledge production function …. This approach mainly reveals differences with regard to the intercept of the knowledge production function and, therefore …