Modern financial markets are characterized by a rapid flow of information, a vast number of
participants having diversified investment horizons, and multiple feedback mechanisms …

Time series analysis has proven to be a powerful method to characterize several
phenomena in biology, neuroscience and economics, and to understand some of their …

We discuss the Simple Equations Method (SEsM) for obtaining exact solutions of nonlinear
partial differential equations. We show that specific case of SEsM can be used in order to …

This paper examines the Brazilian inflation indexes dynamics using the multifractal
detrended fluctuations analysis (MF-DFA) and the multifractal detrended cross-correlation …

The aim of this paper is to examine the role of thermodynamics, and in particular, entropy, for
the development of economics within the last 150 years. The use of entropy has not only led …

This paper examines how COVID-19 pandemic has affected volatility persistence in the G7's
stock markets. Based on daily data we divided the whole sample into two sub-samples …

We discuss the Simple Equations Method (SEsM) for obtaining exact solutions of nonlinear
partial differential equations. We show that the Hirota method is particular case of SEsM for …

As a global problem, the terrorism leads to high death tolls each year. During terrorist
attacks, the direct death is caused by terrorists attacking civilians. However, indirect death …

In this paper, the possibility of using some econophysical methods for quantitative
assessment of complexity measures: entropy (Shannon, Approximate and Permutation …

On several specific cases of the simple equations method (SEsM): Jacobi elliptic function
expansion method, F-expansion method, modified simple equation method, trial function …