The aim of this paper is to create an indicator that compares the efficiency of countries in converting economic complexity into human development through the Data Envelopment Analysis (DEA) method and econometric validation. The DEA will not only enable comparisons of efficiency across...

Bitcoin's evolution has attracted the attention of investors and researchers looking for a better understanding of the efficiency of cryptocurrency markets, considering their prices and volatility. The purpose of this paper is to contribute to this understanding by studying the degree of...