This article discusses two approaches to the identification and measurement of regional clusters and its networks in 'cross-sectoral' services which are not available through official industrial statistics. The first approach is a 'secondary-statistical' one consisting of a firm-based blending...

The present paper deals with (1) the regional experience of a severe and sudden structural change sometimes faced by regions and cities which display considerable industrial specialisation, and (2) a proactive regional economic policy response: it offers a theoretical explanation of this policy...