Wang et al.[Proc. Natl. Acad. Sci. USA 106, 15160 (2009)] have found that in several
systems the linear time dependence of the mean-square displacement (MSD) of diffusing …

China has experienced an outstanding economic expansion during the past decades,
however, literature on non-monetary metrics that reveal the status of China's regional …

We live in a computerized and networked society where many of our actions leave a digital
trace and affect other people's actions. This has lead to the emergence of a new data-driven …

This paper is concerned with the assertion found in the financial literature that emerging
markets are becoming more efficient over time. To verify whether this assertion is true or not …

We use the wavelet-based quantile-on-quantile and Granger causality-in-quantiles methods
to document the impact of exogenous oil price structural shocks on clean energy stocks. We …

In this paper we introduce two new quantifiers for the stock market inefficiency: the number
of forbidden patterns and the normalized permutation entropy. They are model-independent …

How does the productive structure of countries' changes over time? In this paper we explore
this question by combining techniques of networks science with 42 years of trade data and …

This paper deals with designing a sliding mode controller (SMC) for a fractional-order
chaotic financial system. Using the sliding mode control technique, a sliding surface is …

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 …

Power-law tail behavior and the summation scheme of Levy-stable distributions is the basis
for their frequent use as models when fat tails above a Gaussian distribution are observed …