arbeitgeber canada cas collegegraduates congresses economicconditions employees employment employmentinterviewing equality equalpayforequalwork femmes frauenarbeit governmentpolicy greatbritain grocerytrade incomedistribution incometax ireland labormarket laborpolicy lawandlegislation lohngleichheit mathematicalmodels minorities monopsonies nachfragemonopol negotiationinbusiness ontario racediscrimination salaires sexdiscrimination sexdiscriminationinemployment sexualdivisionoflabor socialaspects socialclasses supermarchés supermarkets travail unitedstates wages wales women womenemployees égalitéderémunération épicerie étudesde