The time that children spend in school varies across countries. Do these differences explain international gaps in pupils' academic achievements? In this paper, I estimate the effects of instructional time on students' achievement using PISA 2006 data, which includes data samples from over 50...

This paper examines whether there is any linkage between high levels of sovereign debt and the size of the elderly population. It is primarily a descriptive study which utilizes simple correlations and regressions. One might expect, based on precepts of prudent management of finances, that...