00350pab a2200121 454500008004000000100001900040245010000059260000900159300001400168362000800182650001100190773002700201180718b2007   xxu||||| |||| 00| 0 eng d  aBryan, Mark L.  aFree to choose? Differences in the hours determination of constrained and unconstrained workers  c2007  ap.226-52.  aApr  aLabour  aOxford Economic Papers