In this paper, several identities concerning expectation, variance, covariance, cumulative distribution functions, the coefficient of variation, and the Lorenz curve are obtained and they are used in establishing theoretical results. Furthermore, a graphical representation of the variance is...

This paper investigates studying FDI determinants in Islamic countries. We have chosen a sample with 8 Islamic countries in the period 1985-2009. We have applied a balanced panel data model. Hausman (1978) test shows that we should use random effects model. The results indicate that economic...

In some circumstances a decision maker, expert, in a group decision making problem cannot express his/her preferences with a unique linguistic fuzzy preference because he/she is dubious into some preferences. In this paper, we present a consensus model for group decision making problems with...

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...

The paper provides a review of laws and other actions that have been undertaken in recent years in Argentina to improve education. Review is focused on the Province of Tucumán, where he studied education policy and some of their results. It analyzes the contents of the Federal Education Law No....

In the period 2000 - 2006, municipal or public schools reduced its enrollment in 186,000 students (13%) in Chile. Meanwhile, privately subsidized schools, receiving the same type of funding, increased their enrollment in 386,000 students (38%). In this paper we distinguish demand factors,...

In den zentralasiatischen Ländern Kirgistan und Tadschikistan müssen viele Erwachsene ihre Familien zeitweilig verlassen, um sich in anderen Regionen oder Ländern einen Arbeitsplatz zu suchen. Die Geldüberweisungen an die Familien stellen in beiden Ländern einen erheblichen wirtschaftlichen...

Mit einem Universitätsabschluss können im Durchschnitt höhere Löhne erzielt werden als mit einem niedrigeren Abschluss. Auch das Risiko, arbeitslos zu sein, ist unter Akademikern geringer als für die Gesamtbevölkerung. Doch wie weit liegen die Löhne innerhalb eines Bildungsabschlusses...

This paper investigates the extent of operating cost inefficiencies in the public provision of American higher education. The analysis employs panel data on American research and doctoral granting universities spanning four academic years, 2005-06 through 2008-09. Translog cost frontiers are...