Effetti economici dell'innovazione tecnologica: un'analisi panel

Giampaolo Vitali and Chiara Franzoni

ECONOMIA E POLITICA INDUSTRIALE, 2008, vol. 2008/4, issue 4, 93-122

Abstract: Effetti economici dell'innovazione tecnologica: un'analisi panel - Economic impact of technological innovation: a panel data assessment by Chiara Franzoni e Giampaolo Vitali The hypotheses that innovation is beneficial to firm performance is tested on a new and original sample of micro-level data, stored in panel format. We checked for the effect of innovations in the form of patents, publications and research projects on variations of sales and personnel. Results of the fixed effect estimation show that growth in sales is positively associated to R&D activities accomplished in the two previous years. This effect varies depending on the economic cycle, on the size of the firm, on its sectoral features and on the type of innovative activity. There is however almost no statistically significant impact of innovation activities on the number of workers employed, except for a small positive effect of patents, limited to big companies. Although we cannot distinguish innovative activities concerning new products from those concerning new processes, our results do not support the hypotheses of manpower displacement. JEL Classification: L25; L29; O12

Date: 2008
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