News spread in internet media outlets can be seen as a contagious process forming temporal networks representing the influence between published articles. In this article we propose a methodology based on the application ...

Impulsivity may lead to several unfortunate consequences and maladaptive behaviors for both clinical and nonclinical people. It has a key role in many forms of psychopathology. Although literature has discussed the negative ...

Could a firm benefit from not disclosing all of its private information before its stock is traded in public financial markets? So long as the investors' marginal utility function is convex and the investors differ only ...

Purpose: The purpose of this paper is to evaluate the influence of price and products on the promotion (through in-store temporary displays) on consumer sales in an emerging market context (i.e. Brazil) in different regions ...

It is well known that when an arbitrage-free financial market is incomplete or has tradable financial assets with frictions there must be multiple risk-neutral probability measures. The main motivation for the present study ...

The approximate Prediction-Based Control method (aPBC) is the continuous-time version of the well-known Prediction-Based Chaos Control method applied to stabilize periodic orbits of nonlinear dynamical systems. The method ...

In light of the Theory of Ecological Modernisation, this is the first work to explore the organisational barriers affecting one of the most significant sustainable public procurement initiatives in Latin America: the ...

Purpose: Since 2012, the Brazilian Stock Exchange has recommended that listed companies inform them if they have conducted voluntary disclosure. The purpose of this study is to describe the voluntary disclosure by companies ...

We use a discontinuity on the test score disclosure rule for the National Secondary Education Examination in Brazil to test whether test score disclosure affects student performance in public and private schools. We find ...

The independence of Supreme Audit Institutions (SAIs) is essential to their effectiveness, yet the actual autonomy of SAIs auditors can be questioned. To whom do SAI officials owe their loyalty? To what extent are their ...