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The concept sectoral system of innovation and production provides a multidimensional, integrated and dynamic view of sectors. It is proposed that a sectoral system is a set of products and the set of agents carrying out market and non-market interactions for the creation, production and sale of those products. A sectoral systems has a specific knowledge(More)
The paper provides a contribution to the recent debate about targets and effectiveness of network policies at the EU level, by presenting a detailed analysis of the large R&D network that has emerged over Framework Programmes. Social network analysis and graph theory are employed to describe structural properties and dynamics of the emerging network, which(More)
Based on longitudinal data for a matched sample of 592 Italian academic inventors and controls, the paper explores the impact of patenting on university professors' scientific productivity, as measured by publication and citations counts. University professors who appear as designated inventors on at least one patent application at the European Patent(More)
We use social network analysis to evaluate 'behavioural' additionality aspects of public programmes supporting research and development (R&D). The paper appraises empirically the partnership and knowledge networks created around the R&D activities of the Information Society Priority of the Sixth Research Framework Programme of the European Community. These(More)
In models with heterogeneous firms trade integration has a positive impact on aggregate productivity through the selection of the best firms as import competition drives the least productive ones out of the market. To quantify the impact of firm selection on productivity, we calibrate and simulate a multi-country multi-sector model with monopolistic(More)
This paper provides a quantitative assessment of the scientific and technological productivity of FP6 projects by exploiting a new database on articles and patents resulting from EU funded projects. Starting from the FP6, the design of the European technology policy has undergone significant changes with the introduction of new funding instruments aimed at(More)
We discuss how standard computable equilibrium models of trade policy can be enriched with selection effects without missing other important channels of adjustment. This is achieved by estimating and simulating a partial equilibrium model that accounts for a number of real world effects of trade liberalisation: richer availability of product varieties;(More)
This paper explores the main patterns of firms' technological diversification and the main factors affecting the extent and direction of technological diversification. The basic point of this paper is that a major drive for technological diversification is knowledge. Two dimensions of knowledge are examined here: cumulativeness and proximity. The first(More)
This paper has shed light on the processes of technological diversification and specialization by firms. European, American and Japanese firms have been examined in 25 technological fields within telecommunications, information and audiovisual technologies for the period 1978-1998. In general, in electronics technologies incumbent firms are engaged in(More)
The most recent literature on industrial dynamics is summarized, which stresses the links between industrial dynamics and technological change and shows that industries seem to develop, after a few years of existence, a core of large firms, surrounded by a fringe of smaller ones. Both entry and exit rates are much lower in the core than within the fringe.(More)