in regional clusters. This challenge is even greater for its critically important innovation activities, including … approach of 'paper trail' of the industry's innovation process as revealed in patents and scientific publications. By using … networks, a detailed picture of the photovoltaic industry innovation and its constituent regional clusters is constructed. This …

refocus the debate and analyses the economic issues, impacts and implications of the innovation clusters policy. To do this … cooperation. We assume that innovation cluster "potentiates", by a synergistic action, the beneficial effect of each of these …