This study examines the impacts of national innovation systems (NIS) and economic complexity index (ECI) on economic growth. A composite index of NIS is developed by using US patent data as a weighted sum of three, four or five variables among the following: concentration of assignees,...

In the US and Europe many clusters initiatives have recently been launched. National and regional governments have been defining and implementing clusters policies and programmes with the aim to identifying, launching and finally consolidating international competitive clusters in their...

Clusters and cluster policy has become a widespread phenomena. The general thought shows that, somehow, clusters are directly related to business competitiveness and regional growth. In this context, the Spanish Ministry of Industry has implemented a cluster policy since 2007 known as the AEIs...