Certain serious diseases, including several major genetic disorders, cannot be treated effectively unless they are detected before symptoms appear. In such cases, only systematic population screening can ensure that the necessary preventive treatment can be administered to affected individuals....

The suggested statistical model make it possible to analyze simultaneously the effect of the student's characteristics, when entering the program, on his perseverance as well as on his performance, as measured by his avarage grade. The model takes into account the fact that no such grade is...

This paper proposes a framework to account for innovation similar to the usual accounting framework in production analysis and a measure of innovativity comparable to that of total factor productivity. This innovation accounting framework is illustrated using micro-aggregated firm data from the...

This paper proposes a framework to account for innovation similar to the usual accounting framework in production analysis and a measure of innovativity comparable to that of total factor productivity. This innovation accounting framework is illustrated using micro-aggregated firm data from the...

We develop an econometric model where the determinants of working while in school, academic performance, and the decision to drop out are set in the context of two types of high school students: those who prefer schooling and those who are more likely to join the labor market. The likelihood...