The financial literature has revealed that option strategies originate asymmetric return distributions, providing new investment opportunities, particularly in the control and reduction of risk. On the other hand, given the inadequacy of the measures based upon mean and variance, we highlight...

This paper addresses the issue of symmetry in financial returns. The distributions of the major stock daily returns traded in the Portuguese Market and the PSI-20 Index are examined for a period that ranges from two to seven years. Through an exhaustive analysis where parametric and...

Interactions between firms and universities are key building blocks of innovation systems. This book focuses on those interactions in developing countries, presenting studies based on fresh empirical material prepared by research teams in 12 countries from three continents. The result is a more...

The present paper examines the profile of the Brazilian small and medium technology-based firms (SM-TBF) supported on a survey comprising 136 innovative firms located in five industrial and most innovative areas of the state of São Paulo. Such category of firms constitute an important though...