As others have pointed out many times (recently Richwine 2019), one cannot just use identical thresholds of educational attainment to select for identical levels of human capital (broadly conceptualized) among sending immigrant countries. Example of this was that Heiner Rindermann mentioned in an interview (
Arab engineer IQ?
Arab engineer IQ?
Arab engineer IQ?
As others have pointed out many times (recently Richwine 2019), one cannot just use identical thresholds of educational attainment to select for identical levels of human capital (broadly conceptualized) among sending immigrant countries. Example of this was that Heiner Rindermann mentioned in an interview (