This paper presents three tests of contagion of the US subprime crisis to the European markets of the NYSE-Euronext group. Copula models are used to analyse dependence structures between the US's and the other markets in the sample, in the pre-crisis and in the subprime crisis periods. The first...

The aim of this paper is to develop a conceptual framework for the analysis of consumer behaviour concerning the evaluation and choice of food products. The paper presents a review of theory on the processes of consumers' decision making and quality perception. Following this review, a...

Higher education systems have generally been adapting to increasing demand, higher quality requirements and severe financial constraints. In Portugal, where public funding critically depends on the new enrolments, the short term uncertainties of declining applications exacerbate systemic long...

This paper intends to explore the utilization of entropy through politics and election results, an area just slightly explored. It generalizes the interpretation of entropy, considering it a measure of dissatisfaction and disillusion of populations in relation to politics. Some phenomena like...

Numerous initiatives of different nature have taken place in Portugal over the recent years aiming at raising consciousness of the importance and advantages of innovation and entrepreneurship, persuading businesspeople to place innovation as strategic intent and encouraging would-be...

In many economic settings, the variable of interest is often a fraction or a proportion, being defined only on the unit interval. The bounded nature of such variables and, in some cases, the possibility of nontrivial probability mass accumulating at one or both boundaries raise some interesting...

This paper presents the results of a qualitative and quantitative evaluation of the performance on the Internet of medium and large Spanish enterprises. Special attention is given to the firms' e-commerce, in particular to the issue of business to consumer. In the study, an instrument of...

Com este estudo investigasse a possibilidade de utilizacao de uma rede neuronial artificial na deteccao dos mercados de accoes da Euronext que proporcionam a melhor rendibilidade diaria. A rede, treinada com o algoritmo de Levenberg-Marquardt, recomenda a um investidor hipotetico a escolha do...

The purpose of this paper is to identify the type of labour and the sectors where labour productivity should be improved to raise the international competitiveness of Portugal. A static multi-sectoral general equilibrium model, with multi-national and single-country versions is used. The model...

The goal of this paper is to compare Portuguese and German consumer behaviour towards Organic Food Products (OFP). For this purpose, an extensive literature review on quality and food safety of organic food products was carried out and a consumer survey was implemented, with data collected by...