Answer :
If workers are completely indifferent between fast-food jobs and retail sales jobs, clerk wages would increase if the supply of food service workers increased.
How do supply and demand influence the market?
Supply and demand are two economic concepts that determine how much product and service is available on the market, and demand determines how much consumers are willing to consume of a good. Its fluctuations are capable of determining the price and quantity of a good available in the market.
Therefore, the greater the demand, the greater the supply, which means an increase in consumption, productivity and also a greater need for workers, which can influence the increase in wages.
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