00331pab a2200121 454500008004000000100002200040245006300062260000900125300001400134362000800148650001800156773003500174180718b2007   xxu||||| |||| 00| 0 eng d  aKaufman, Bruce E.  aThe impossibility of a perfectly competitive labour market  c2007  ap.775-87.  aSep  aLabour market  aCambridge Journal of Economics