00393pab a2200133 454500008004000000100002000040245009300060260000900153300001600162362000800178650001800186700002000204773003500224180718b2009   xxu||||| |||| 00| 0 eng d  aEchevin, Damien  aWhat determines productivity in Senegal? Sectoral disparities and the dual labour market  c2009  ap.1707-730.  aNov  aLabour market  aMurtin, Fabrice  aJournal of Development Studies