Patrinos, Harry Anthony Estimating the returns to education: accounting for heterogeneity in ability by Harry Anthony Patrinos, Cris Ridao-Cano and Chris Sakellariou - Washington, D.C. World Bank 2006 - 38p. - Policy research working paper; 4040 . Subjects--Topical Terms: Regression analysisWages --ArgentinaEducation --Economic aspects --Argentina