north american labor markets main changes since nafta commission for cooperation acknowledgments this study was prepared by the following team ma elena vicario senior economist 1995 2001 sandra polaski research director 1997 1999 dalil maschino assistance provided rodolfo hernández ye wang kairat amirkhanov erik tinoco josé luis salcedo maría cox and ana belén mora marcelle saint arnaud documentary support melisa gutiérrez secretarial valuable comments on draft version of were received from gonzalo christian dea national administrative offices canada mexico united states secretariat wish es to acknowledge statistics cana da secretaría del trabajo y previsión social through its sub coordinación de estadísticas which special tabula tions based information their respective surveys we also thank steve hipple bureau his invaluable help in providing statistical is solely responsible contents nothing neces sarily reflects views council ministers any government agency or