Final answer:
Unions increase demand for workers through training, productivity, consumer support, and labor supply control.
Explanation:
Unions attempt to increase demand for unionized workers through various strategies:
- Encouraging investment in human capital: Unions push for training programs to enhance members' skills.
- Increasing worker productivity: Unions promote efficiency to justify higher wages.
- Promoting consumption of union-made products: By encouraging consumers to support unionized goods, demand for union workers can rise.
- Restricting labor supply: Unions can control labor force growth and craft entry to elevate the value of union workers.
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