that firm agreements exert a stronger impact on wages than on productivity, so that profitability is hampered. However … wages beyond productivity when the rents to be shared between workers and firms are relatively big. Overall, this suggests … that firm-level agreements benefit to both employers and employees - through higher productivity and wages - without being …

union presence variable) on wages in Ghana. We employ the Heckman Selection Model and quantile regression technique to … (GLFS 2015) respectively. The findings indicate that unions' bargaining effect on wages is positive. Furthermore, the study …