00486nam a2200157Ia 4500001000500000005001700005008004100022020001500063082001200078100002500090245009400115250001200209260005400221300003300275650002000308112320261006003516.0120911s9999    xx            000 0 und d  a0673467872  a331 EHR  aEhrenberg, Ronald G.  aModern labor economics : theory and public policy / Ronald G. Ehrenberg, Robert S. Smith.  a5th ed.  aNew York : HarperCollins College Publishers,c1994  axxii, 695 p. : ill. ; 24 cm.  aLabor economics