Answer:
Increases; decreases
Explanation:
Union Wages are the wages that exceed the non-union members' wages. This is the most research topic in economic especially in the economy of labor. The benefits and the wages specially targeted the larger firms and these firms are concentrated on an industry.
The benefits are probable, protection of the worker and the productivity of the workers. The other benefits of union wages are to bargain the wages and the hours. The union wages try to reduce the differences between the wages and the incomes of people.