Why is economic growth important? Choose all that apply.

a. There is more than one correct answer.
b. Wealthier societies tend to have better health care and nutrition.
c. Wealthier countries provide better education.
d. Economic growth increases living standards.
e. Economic growth increases the average life span for a country.

Anewspaper story on the effect of higher milk prices on the market for ice cream contained the following: "as a result [of the increase in milk prices], retail prices for ice cream are up 4 percent from last year. . and ice cream consumption is down 3 percent." source: john curran, "ice cream, they scream: milk fat costs drive up ice cream prices," associated press, july 23, 2001. based on the information given, what is the price elasticity of demand for ice cream?