We analyze the interactions between positive and negative externalities in innovation and trade for economic growth in a region when this region is part of an aggregate economy consisting of two regions. In both regions consumers have constant relative risk aversion preferences, there is human...

In this paper, we analyze some fundamental impacts of the process of informatization. In particular, we address socio-economic and spatial impacts and discuss possible consequences for policy. Our objective is to discuss issues concerning the desirability, necessity and possibility of government...

In this paper, we analyze some fundamental impacts of the process of informatization. In particular, we address socio-economic and spatial impacts and discuss possible consequences for policy. Our objective is to discuss issues concerning the desirability, necessity and possibility of government...

In the search for effective pesticide risk management tools, the design of pesticide risk indicators is nowadays receiving increasing attention as a complement to more established regulatory strategies. In the present paper, we apply some recently developed pesticide risk indices and test their...

This paper offers a new methodology to identify R&D and innovation clusters, on the basis of a regional analysis of innovation support systems in Portugal. Using a web-based inventory of R&D and innovation agencies, an extensive data base is created. This data set is next analyzed by means of...

In the search for effective pesticide risk management tools, the design of pesticide risk indicators is nowadays receiving increasing attention as a complement to more established regulatory strategies. In the present paper, we apply some recently developed pesticide risk indices and test their...

This paper offers a new methodology to identify R&D and innovation clusters, on the basis of a regional analysis of innovation support systems in Portugal. Using a web-based inventory of R&D and innovation agencies, an extensive data base is created. This data set is next analyzed by means of...