This paper develops a simple demand model with network externalities which allow us to identify the shape of the network externalities function in the mobile telephone market and to estimate the critical mass. If the mobile telephone network exhibits positive network externalities, we expect...

Nowadays, the understanding of the impact of social media and online news media on the emergence of extreme polarization in political discourse is one of the most pressing challenges for both science and society. In this study, we investigate the phenomenon of political polarization in the...

From a statistical point of view, the prevalence of non-Gaussian distributions in nancial returns and their volatilities shows that the Central Limit Theorem (CLT) often does not apply in nancial markets. In this paper we take the position that the independence assumption of the CLT is violated...

We study the frictions in the patterns of trades in the Euro money market. We characterize the structure of lending relations during the period of recent financial turmoil. We use network-topology method on data from overnight transactions in the Electronic Market for Interbank Deposits (e-Mid)...

In-spite of large volume of Contingent Credit Lines (CCL) in all commercial banks paucity of Exposure at Default (EAD) models, unsuitability of external data and inconsistent internal data with partial draw-down, has been a major challenge for risk managers as well as regulators for managing CCL...

Financial intermediation through the banking system plays an important role in economic development through the allocation of savings, thus improving productivity, and ultimately increasing the rate of economic growth. This paper examines the interrelationships between financial development and...

This paper analyzes the asymmetrical relationship between financial development, energy consumption and economic growth in twenty-one (21) sub-Saharan African (SSA) countries from 1990Q1 to 2014Q4. We used the nonlinear autoregressive distributed lag (NARDL) framework and asymmetrical causality...

The paper deals with the role of the isomorphism and homomorphism in the theory and practice of simulation. These concepts are considered as a methodological framework for models adequacy evaluation and for their suitability extent estimation to the study and improvement of economic systems,...

Increasing inequality keeps any economy stuck in the middle-income group despite its strong growth. The largest of the middle-income economies are the BRICS countries (Brazil, Russia, India, China and South Africa). In this paper we intend to investigate the long run relation between financial...

Financial integration is important because it has the potential to enhance economic growth and stability by facilitating cross-border capital flows and reducing financial market fragmentation. This study investigates the influence of FinTech credit and banking regulations on financial...