affect firms' innovation strategy choices, concretely, whether to abstain from innovation, to introduce products that are … known in the market but new to the firm (imitation) or to introduce market novelties (innovation). Using a sample of 1253 … German firms from manufacturing and services sectors I show that the perceived effectiveness of patent protection positively …

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 examines empirically the theoretical relationship between external knowledge and innovation success. Special …-specific absorptive capacities. The results of the micro-econometric analysis based on German firm data on innovation suggest that firms … can effectively use external R&D within their own innovation process, as long as they have access to the relevant …

Classical patent literature assumes that patents grant well-defined legal rights to exclude others from practicing an … invention. In this scenario, start-up companies benefit from the exclusive right to commercialize patent-protected inventions … and the certification effect of patents which signals the ventures’ “quality” to investors. If the decision about patent …

innovation also when referring to intra-country differences. …

protection methods in an industry on the innovation activities of firms using external knowledge. One goal is to assess if firms … have moved to a more open innovation business model, i.e. allow more knowledge spillovers to occur despite using protection … methods. Our estimations show that the usage of both, patents and secrecy, hinders the innovation activities of firms through …

scientists across all fields of science we investigate the importance of academic patenting. Our findings suggest that academic … involvement in patenting results in greater knowledge externalities, as academic patents appear to generate more forward citations … patenting history declined over time as well. Moreover, a preliminary evaluation of the effects of the abolishment of the …

innovation. We present novel data on the frequency with which innovative German firms encounter problems with access to … intellectual property (IP) for innovation. While only a small percentage of all firms report halting or not starting innovation … evidence that problems of access to IP are more severe in the complex/cumulative industries where patent thickets are thought …