1 “... time is decomposed into its constituent components based on the estimation of cognitive achievement...”

2 “... from 1994 to 2018. Although the returns to schooling increased for a time, they are now much lower than...”

3 “... families in the lowest quintile, compared with four times more in the case of students attending public...”

4 “... to secondary education increased from 63 to 79 percent in the same period. At the same time, Jordan made...”

5 “... that allows assessing change in learning over time. The findings show that test scores in math for grade 5...”

6 “... Grade Reading Assessment (EGRA) for the first time. This enables extension of the database substantially...”

7 “... supply over time, causing an increase in the overall returns to schooling. Possible reasons include...”

8 “... regression analysis to provide further insight into the within skill group changes in returns over time...”

9 “... education have increased over time, raising issues of financing and equity. Social returns to schooling...”

10 “... decreasing pattern over time; and (6) the returns to tertiary education are highest...”

11 “... beneficiaries of the reform were those who at the time were pupils in basic schooling (ages 6-13...”

12 “... from the Programme for International Student Assessment shows little improvement over time. This paper...”