In a social custom model of union membership with wage bargaining, higher levels of company taxes lower wages while having uncertain employment effects. A higher marginal income tax rate increases employment. Changes solely in the level of income taxation, retaining marginal rates, have...

Various taxes influence wage and employment outcomes in efficiency wage models. These findings are extended by incorporating more comprehensive tax functions, additional tax parameters, union-firm wage bargaining, and balanced budget restrictions. Moreover, the importance of different effort...