„Smaller classes increase completed education, wages, and earnings at age 27 to 42.“
Univ.-Prof. Dr. Peter Fredriksson u.a., „Long-Term Effects of Class Size“ in „The Quarterly Journal of Economics“ (2013), S. 251f
„Smaller classes increase completed education, wages, and earnings at age 27 to 42.“
Univ.-Prof. Dr. Peter Fredriksson u.a., „Long-Term Effects of Class Size“ in „The Quarterly Journal of Economics“ (2013), S. 251f
