160 PART THREE SUPPLY AND DEMAND II: MARKETS AND WELFARE 9. Consider how health insurance affects the quantity of health care services performed. Suppose that the typical medical procedure has a cost of $100, yet a person with health insurance pays only $20 out-of-pocket when she chooses to have an additional procedure performed. Her insurance company pays the remaining $80. (The insurance company will recoup the $80 through higher premiums for everybody, but the share paid by this individual is small.) a. Draw the demand curve in the market for medical care. (In your diagram, the horizontal axis should represent the number of medical procedures.) Show the quantity of procedures demanded if each procedure has a price of $100. b. On your diagram, show the quantity of procedures demanded if consumers pay only $20 per procedure. If the cost of each procedure to society is truly $100, and if individuals have health insurance as just described, will the number of procedures performed maximize total surplus? Explain.
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