If wages in the retail industry increase it make the market supply curve for labour will move to the left.
In many of the markets we encounter, individuals such as you and I demand goods and services, and firms supply those goods and services. Although the labor market works in a similar way, the roles reverse. In the labor market, firms demand labor, and individuals such as you and I supply that labor.
The affect of labor market is just about everything that happens in the economy affects the labor market. Changes in the demand for goods and services, the size of the population and the minimum-wage rate can each have substantial impact on the job market.
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