In a generalized quality-ladder growth model, this paper firstly derives the optimal patent breadth and the socially … dynamic distortion of markup pricing on capital accumulation that has been neglected by previous studies on patent policy …. Then, it quantitatively evaluates the effects of eliminating blocking patent and increasing patent breadth, and this …

Is the patent length an effective policy instrument in stimulating R&D? This paper develops a generalized variety … patent length. The numerical exercise suggests that at the empirical range of patent-value depreciation rates, extending the … patent length beyond 20 years leads to only a very small increase in R&D despite R&D underinvestment in the market economy …

use the OECD-REGPAT dataset, that includes patent applications made by European inventors and applicants to EPO in the … order to reduce biases we use patent applications by region of the inventor, as its linkage to the territory is stronger … in patent applications and R&D expenditure. Richer regions in terms of GDP – generally those of central-western Europe …

is motivated by the observation that the strengthening of patent protection and the increase in R&D in the US coincide …&D-based growth model with aggregate uncertainty in the innovation process and apply the model to ask whether increasing patent …