In a commentary piece on the rising cost of health insurance, ("Healthy, Wealthy, and Wise," Wall Street Journal, May 4, 2004, A20), economists John Cogan, Glenn Hubbard, and Daniel Kessler state, "Each percentage-point rise in health insurance costs increases the number of uninsured by 300,000 people." Assuming that their claim is correct, demonstrate that the price elasticity of demand for health insurance depends on the number of people who are insured.
Part 2: What is the price elasticity if 212 million people are insured?
Part 3: If 212 million people are insured, then the price elasticity of demand for health insurance............is enter your response here. (Enter a numeric response using a real number rounded to three decimal places. Be sure to include the minus sign.)