Purpose - The purpose of this paper is to investigate the literature on the representation of the quadruple and quintuple helix (QQH) in innovation environments such as incubators and science and technology parks (STPs). Design/methodology/approach - The authors used the integrative review as a...

Purpose The purpose of this paper is to analyze the performance of incubators in the stages of formation and development of incubated business networks, especially in bottom-up and top-down network models. Design/methodology/approach The research is defined as qualitative and descriptive, with...

We examine the volatility process of the returns of two important brazilian agricultural commodities, the coffee and soy, using models of the ARCH class. The empirical results suggest strong signs of persistence and asymmetry in the volatility of both series. Furthermore, the results suggest...

During almost all the history of Minas Gerais State, its sugarcane production always presented as complementary to other major economy activities, both inside the state and in other Central-Southern regions in Brazil. From the nineties onwards, the sugarcane activity presented a significant...