00285nam 2202802 45000010005000000030023000050050009000280080041000370820012000781000029000902600000001192450046001192802StarLibrary Marc Built20180417201711 ||||| |||||||||||amh  a423.170 aJohn P.Judd and Scadding aJOURNAL OF ECONMMIC LITERATURE March 1992