Psacharopoulas, George The economic impact of education : lessons for policy makrers; executive summary / George Psacharopoulas - San Francisco : Institute for Contemporary Studies Press , 1991 - 23p. : ill. ; 22 cm. - Executive Summary No. 4 . Includes bibliographical references. Subjects--Topical Terms: EducationEducational policy Gov. Doc. Class. No.: XZ ICEG Exp-4