Internet addiction (IA) is a new disorder described in 1996 by the psychologist Kimberly Young. The aim of this paper is to estimate the percentage of IA among Greek university students. Results of a sample survey among 1876 Greek university students, 18-27 years old, are presented. The...

Purpose – The Basel Committee regulations require the estimation of value-at-risk (VaR) at 99 percent confidence level for a ten-trading-day-ahead forecasting horizon. The paper provides a multivariate modelling framework for multi-period VaR estimates for leptokurtic and asymmetrically...

This paper examines the two financial crises of the Athens Stock Market during the last decade, in order to help investors and academics to understand better its attitude in periods of crises. In this analysis, it was employed a Quandt-Andrews Test, a GJR-GARCH model with two diagnostic tests...