As in the social innovation literature, the role of initiators / agentic engines is highlighted, the purpose of the paper is to deepen the understanding of initiators in the social innovation process and to further develop its evaluation. Accepting that the role of individuals is one of the most...

As matérias relacionadas com a eficiência do mercado de capitais português estão ainda numa fase embrionária. Neste trabalho é nosso propósito investigar a existência de sobreajustamento no mercado de capitais português para o período entre 1989 e 1994. Questionar a existência de...

Estimates of appropriate equity risk premiums are abundant in finance textbooks. Unfortunately, these estimates are ill suited to small and data scarce markets such as the Portuguese. The literature is reviewed to select techniques to overcome this difficulty, and estimates of equity risk...

Recent research uses the degree of stock returns co-movement as a measure of the quality of a country's information environment. It has been argued that stronger property rights, better corporate governance regimes and more efficient enforcement mechanisms lead to prices incorporating more...

This research paper attempts to evaluate the benefits of using the Fama and French Model by comparing them with those resulting from the use of the Capital Asset Pricing Model. Local, International, and European Monetary Union functional forms were considered, in an attempt to raise the...

In this paper we evaluate the impact of the European Monetary Union based on the Fama and French three-factor model. Our research shows that the models based on EMU factors present worse explanatory power than models based on local and international factors, although international factors do not...

In this research paper the main forces that influence different kinds of corporate control of the largest firms by country are evaluated. Firms controlled by individuals, Government, miscellaneous investors or widely held, exist under different circumstances. While firms controlled by...