In this article, we combine machine learning techniques with statistical moments of the gasoline price distribution. By doing so, we aim to detect and predict cartels in the Brazilian retail market. In addition to the traditional variance screen, we evaluate how the standard deviation,...

The Brazilian government started to implement, mainly from the 2000s onwards, mechanisms to stimulate the supply and demand for higher education in Brazil. Especially the offer of private higher education has shown strong growth in recent years as a result of systematic public policies, which...