D9. Explain how the Social Security program creates economic incentives for early retirement. Is this a positive or negative aspect of the OASDI programs? How is Social Security a distribution or "an intergenerational transfer of income and wealth"?

D10. Explain how health insurance, whether private or public, tends to generate excessive demand for health care.

D11. Explain Reinhardt's summary of functions of any health care system. Specifically, with respect to Medicare, what functions in the health market is the U.S. government fulfilling with this program?