1)The gross enrolment rate fails to capture one important piece of information on school enrolment, while the net enrolment rate can inform us of it. What is this information?

2)Whether net or gross, the enrolment rate suffers from crucial weaknesses in understanding education-related human-capital accumulation which is the key for the country's development. What are the two most important weaknesses?

3)Considering the weaknesses asked in Q.2 above, suggest one alternative measure of education-related human-capital accumulation.