00354    a2200109   4500001001000000005001700010008004100027245006200068100002000130700002100150773007300171ART_1772520260410161924.0260409a                                 10aEfficient wage bargains under uncertain supply and demand1 aHall, Robert E.1 aLilien, David M.0 tThe American Economic Reviewg- Vol. 69, Nº 5 (dic. 1979)wREV16190