We take a different look at the PISA 2006 data considering time input as one of the main ingredients for scholarly achievement. Across countries there does not exist any clear relationship between total time spent studying (sum of class time, homework time and time spent in private lessons) and...

While students from more advantageous family backgrounds tend to perform better, it is not clear that they exert more effort compared to those from less advantageous family backgrounds. We build a model of students, schools, and employers to study the interaction of family background and effort...