Purpose 2D laser rangefinders (LRFs) are commonly used sensors in the field of robotics, as they provide accurate range measurements with high angular resolution. These sensors can be coupled with mechanical units which, by granting an additional degree of freedom to the movement of the LRF,...

There has been a long dispute about the relative importance of country versus industry diversification. We test the hypothesis that institutional ownership affects the relative importance of country and industry effects in explaining stock returns worldwide. We find that industry effects become...

We examine whether institutional investors affect corporate governance by analyzing institutional holdings in companies from 23 countries in 2003-2008. We find that firm-level governance is positively associated with international institutional investment. Changes in institutional ownership over...

We examine whether institutional investors affect corporate governance by analyzing portfolio holdings of institutions in companies from 23 countries during the period 2003-2008. We find that firm-level governance is positively associated with international institutional investment. Changes in...

The current status and legal framework of biogas production in Portugal are analyzed and compared to that of five other European countries, characterized by wide-ranging diversity of substrates and biogas applications. With this comparison, and with the calculation of the biogas energy potential...

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 we evaluate how corporate control around the world is defined and which variables, related to a firm's characteristics and the countries' infrastructures, influence this. We find that there is a small number of countries where firms are widely held. The role of financial...