Estimates of the economic return to schooling from a new sample of twins
By: Orley Ashenfelter and Alan Kreuger.
Contributors: Kreuger, Alan.
Series: Industrial relations working paper series / Princeton University, Industrial Relations Section -- no.304; Industrial relations workingpaper (Princeton University, Industrial Relations Section) -- no.304.
Publisher: Princeton University, Industrial Relations Section
Published: 1992
Place of publication: Princeton
Language: eng