van Pottelsberghe de la Potterie, Bruno; Romain, Astrid - Deutsche Bundesbank - 2004
technological opportunity, such as the stock of knowledge and the number of triadic patents affect positively and significantly the … relative level of VC. Labour market rigidities reduce the impact of the GDP growth rate and of the stock of knowledge, whereas … a minimum level of entrepreneurship is required in order to have a positive effect of the available stock of knowledge …