Cappellari, Lorenzo; Castelnovo, Paolo; Checchi, Daniele; … - 2016
We use OECD-PIAAC data to estimate the earnings effects of both years of education and of numerical skills. Our … education has the strongest earnings effect. A one standard deviation increase in years of education raises earnings by almost … 22 percentage points (corresponding to a return to education above 7 percentage points), which compares with a lower …