Why would an increase in the minimum wage to $15 per hour lead to more unemployment for teenage and low-skilled workers?

What will be an ideal response?

Many teenage and low-skilled workers earn far less than $15 per hour. Hence a price floor in the labor market that "guaranteed" a wage of $15 per hour, that is, a minimum wage of $15 per hour, would have a double-edged effect. First, the quantity of labor supplied would increase because more people would be willing and able to work for the higher wage. Indeed, some high school students would drop out of school in order to obtain work if they thought they would be paid $15 an hour. Second, many businesses would be unwilling and unable to pay $15 per hour and would therefore lay off many teenage and low-skilled workers. In other words, the quantity of labor supplied increases and the quantity of labor demanded decreases. The resulting surplus of labor means a higher unemployment rate for the very people the minimum wage is designed to hel