or output of a knowledge production function. We suggest that the productivity of research in patent production functions … to patentable knowledge, and development happens after the initial research phase that may have led to a patent. Instead … of using data on R&D, we separate the knowledge creating process into 'R' and 'D'. This data stems from R&D surveys of …

market (innovation). It turns out that spillovers from rivals lead to more imitation, while inputs from customers and … research institutions enhance original innovation. …

The paper develops an oligopoly model of innovation and applies it to data from the Mannheim Innovation Panel. The … complexity, etc. are important determinants of overall innovation expenditures, but not for R&D specifically. If legal protection … affect the innovation activity of the firm. Specification tests derived from the theoretical model do not lead to a rejection …

This paper discusses the incentives for innovation when liability is limited or not. Clearly innovative activity …

impact of public technology policies on innovation of firms located in Eastern Germany. The main question is whether public … funding stimulates innovation activities or whether crowding-out effects between public and private means occur. A non … companies would have invested remarkably less if they had not participated in public innovation policy schemes. …

This study analyzes the effects of public R&D policy schemes on the innovation activities of firms located in Eastern … innovation activities by about four percentage points. …