The relationship between oil prices and stock markets is commonly studied, in order to
understand how financial markets are influenced by this important real asset. The evidence …

We combine supervised machine learning techniques with statistical moments of the
gasoline price distribution to detect cartels in the Brazilian retail market. Standard deviation …

The aim of this paper is to analyze the stock exchanges for a large set of countries (20 in
total) before and after the subprime crisis, identifying which markets are the most central and …

Abstract The Brazilian Urban Mobility Policy integrates urban transport with traffic planning,
establishing appropriate public policies that indicate the need for a safe and accessible …

Heterogeneity of effects between economic variables has been a frequently discussed topic
for many years now. However, the estimation of such scale-dependent effects has proved …

The use of biomass as an energy source has advanced in recent decades, given the
scientific evidence that it is a solution to the environmental problems faced globally. In this …

We aim to evaluate two different econometric screens for identifying anti-competitive
behavior in the fuel retail market:(i) The Markov-Switching GARCH (MS-GARCH) Models;(ii) …

Brazil is one of the largest global producers and exporters of ethanol and in 2017 launched
RenovaBio, a programme aiming to mitigate greenhouse gas emissions. In parallel to this …

Competition is a relevant element in any open economy. Public policies are necessary to
induce economic efficiency and to create conditions to preserve or stimulate a competitive …

In this paper we analyze the descriptive statistics of the Google search volume for the terms
related to the National Reserve of Copper and Associates (RENCA), a Brazilian mineral …