This work proposes an heuristic indicator for mid-term tendencies of stock prices based on non-linear dynamic equations combined with a graphical method inspired on cell morphology analysis. The model consists of ordinary differential equations with parameters that are fitted by means of the...

Contract farming is a key element for the Brazilian Biodiesel Program, which aim to promote social inclusion of small scale farmers. The relationship between the industry and the farmers is regulated by a certification called Social Fuel Seal. The seal allows to the biodiesel producers favorable...

En este trabajo se realiza un abordaje de las representaciones contables para analizar cómo han evolucionado a través del tiempo, desde el marco interpretativo de la nueva historia. Representaciones tales como información, certificación y control, entre otras, desde el plano praxiológico...