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Quantifying knowledge exchange in R&D networks: A data-driven model by Vaccario, Giacomo; Tomasello, Mario Vincenzo; Tessone, Claudio Juan; Schweitzer, Frank is a scholarly article available to read on EtoBox.

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We propose a model that reflects two important processes in R&D activities of firms, the formation of R&D alliances and the exchange of knowledge as a result of these collaborations. In a data-driven approach, we analyze two large-scale data sets extracting unique information about 7500 R&D alliances and 5200 patent portfolios of firms. This data is used to calibrate the model parameters for network formation and knowledge exchange. We obtain probabilities for incumbent and newcomer firms to link to other incumbents or newcomers which are able to reproduce the topology of the empirical R&D network. The position of firms in a knowledge space is obtained from their patents using two different classification schemes, IPC in 8 dimensions and ISI-OST-INPI in 35 dimensions. Our dynamics of knowledge exchange assumes that collaborating firms approach each other in knowledge space at a rate $\mu$ for an alliance duration $\tau$. Both parameters are obtained in two different ways, by comparing knowledge distances from simulations and empirics and by analyzing the collaboration efficiency $\mathcal{\hat{C}}_{n}$. This is a new measure, that takes also in account the effort of firms to mainta

Author

Vaccario, Giacomo; Tomasello, Mario Vincenzo; Tessone, Claudio Juan; Schweitzer, Frank

Published

2015

Language

EN