concrete recently as President Barrack Obama announced the goal of extending the school week and year as a central objective in … productivity of instructional time is higher in countries that implemented school accountability measures, and in countries that …

Using panel data for non-OECD countries covering the period 1970-2012, this paper analyzes the impact of the duration … of primary education on school enrollment, drop-outs and completion rates. The empirical results show that for children … in elementary school one additional grade of primary education has a negative impact on enrollment rate, while the effect …

This paper argues that the number of deaths in a conflict can be a measure of duration and demonstrates that there are …. There are differences in the two datasets. The number and distribution of conflicts vary however duration analysis yields … results that are robust over datasets. We also show that the number of deaths, as a measure of duration, challenges some of …

The aim of this paper is to explore the patterns of trade duration across regions and to identify its determinants … variables on the duration of trade relationships from 96 countries from 1995 to 2004. Our results suggest first that the … duration of trade relationships increases with the region level of development: trade relationships from richer economies face …