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...

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...

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...

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...

We analyze the growth effects over space arising from the adoption of new agricultural technology in a rural-urban setting. We use a dynamic model to study the impacts of technology and learning on the steady state growth rates of rural and urban regions that produce agricultural goods. New...

We analyze the growth effects over space arising from the adoption of new agricultural technology in a rural-urban setting. We use a dynamic model to study the impacts of technology and learning on the steady state growth rates of rural and urban regions that produce agricultural goods. New...

How should one manage the problem of resistance to antibiotics and pesticides? The formal modeling of this question is very much in its infancy. Therefore, we construct a dynamic and stochastic model of antibiotic or pesticide use to investigate the relative merits of two kinds of treatment...