This paper aims at develop an evaluation of the functional polycentrism of Portuguese municipalities. For that purpose, we develop a critical assessment of the concept of polycentrism and functional polycentrism whose assumptions guide most of the policies of regional planning, and present the...

This paper aims at develop an evaluation of the functional polycentrism of Portuguese municipalities. For that purpose, we develop a critical assessment of the concept of polycentrism and functional polycentrism whose assumptions guide most of the policies of regional planning, and present the...

National Statistics Offices, Central Banks, and any other organisms and agencies producing statistical information, disseminate data so that the individual information is sufficiently protected. At the same time, those entities aim at providing society with as much information as possible under...

In this study, we analyze firms’ membership in R&D (Research and Development) cooperation networks. Our main research hypothesis is that the membership in cooperation networks is related to the degree of the knowledge spillover. The approach focus on both cost symmetry and cost asymmetry. For...

This paper aims at develop an evaluation of the functional polycentrism of Portuguese municipalities. For that purpose, we develop a critical assessment of the concept of polycentrism and functional polycentrism whose assumptions guide most of the policies of regional planning, and present the...

Este artigo tem como objectivo a avaliação do policentrismo funcional dos municípios do continente Português. Para a concretização deste propósito, desenvolveu-se uma análise crítica dos conceitos de policentrismo e de policentrismo funcional cujos pressupostos orientam grande parte das...

In this work we analyze the evolving dynamics of different collaboration network strategies that emerge from the creation and diffusion of knowledge. In addition, we aim at describing their most relevant network properties over time. An evolutionary economic approach has been adopted by avoiding...

Purpose: Cement is a priority consumer good in all modern societies. Considerable portions of the countries' income are invested in construction and reconstruction of houses, shopping centers, schools, universities, research centers, pavements, bridges, dams, among other infrastructures. In view...

This paper presents an optimal control model to analyze reforestations with two different species, including commercial values, carbon sequestration and biodiversity or scenic values. We solve the model qualitatively with general functions and discuss the implications of partial or total...

This paper presents an optimal control model to analyze reforestations with two different species, including commercial values, carbon sequestration and biodiversity or scenic values. We solve the model qualitatively with general functions and discuss the implications of partial or total...