Showing 91 - 100 of 105
The objective of this paper is to estimate the impact of carbon dioxide emissions from fossil fuel combustion activities on economic activity in Portugal in order to evaluate the economic costs of policies designed to reduce carbon dioxide emissions. We find that energy consumption has a...
Persistent link: https://www.econbiz.de/10005398709
In this paper we propose a general framework to deal with the presence of covariate mea-surement error in endogenous stratifield samples. Using Chesher?s (2000) methodology, we develop approximately consistent estimators for the parameters of the structural model, in the sense that their...
Persistent link: https://www.econbiz.de/10005398710
What are the potential sources of growth and how is the convergence process of the Portuguese economy within the EU characterised? We answer this question by determining the most suitable specification of the aggregate production function, CES or Cobb-Douglas, for the EU countries as in...
Persistent link: https://www.econbiz.de/10005232602
A formação de alianças de base tecnológica conheceu um incremento notável nas décadas de 1980 e 1990, representando actualmente uma estratégia empresarial importante de acesso ao conhecimento tecnológico, fortemente incentivada pela generalidade dos países da OCDE. A literatura sobre...
Persistent link: https://www.econbiz.de/10005232603
The decision-making process concerning the co-incineration of industrial dangerous waste in Portugal has most certainly been transformed into a conflict centered on the unequal distribution of risks to the environment and to public health, opposing local population to the government. It is also...
Persistent link: https://www.econbiz.de/10005232604
O aumento nos níveis de produto e de rendimento é uma condição fundamental para a promoção do desenvolvimento económico, nos países e nas regiões. Ceteris paribus, níveis de rendimento mais elevados permitem que as famílias possam usufruir de níveis de rendimento disponível também...
Persistent link: https://www.econbiz.de/10005232606
A existência de uma marcada sazonalidade no número de nascimentos que se verificam ao longo dos diversos meses do ano em Portugal, detectada em trabalho complementar a este, a qual se mostra robusta face à tendência claramente decrescente na fecundidade que se tem verificado no nosso país,...
Persistent link: https://www.econbiz.de/10005232607
In this paper we examine the following two hypotheses which traditional theories of capital structure are relatively silent about: (i) the determinants of financial leverage decisions are different for micro, small, medium and large firms; and (ii) the factors that determine whether or not a...
Persistent link: https://www.econbiz.de/10005232608
O sistema de ensino superior em Portugal, nas últimas décadas, conheceu alterações profundas, de carácter estrutural, entre as quais o aumento substancial do número de estabelecimentos, dispersos por todo o país, com o aumento do número de alunos e de docentes. Recentemente,...
Persistent link: https://www.econbiz.de/10008457276
In this paper we propose a general framework to deal with datasets where a binary outcome is subject to misclassification and, for some sampling units, neither the error-prone variable of interest nor the covariates are recorded. A model to describe the observed data is for-malized and eficient...
Persistent link: https://www.econbiz.de/10004990273