Refer to Figure 5-7. Which of the following statements is true?
A) The optimal quantity of pollution reduction is QB.
B) The optimal quantity of pollution reduction is QE.
C) At QE the benefits of reducing pollution outweigh the cost of pollution reduction.
D) At QB society is under allocating resources to pollution reduction.
A
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Assume the retiree had a third option: receive a lump sum of $750,000 five years from now. If the interest rate is 4 percent, approximately how much is the future $750,000 to be received in 5 years worth today?
A) $586,445 B) $616,445 C) $630,000 D) $646,555 Scenario 12.1: Jennifer has decided to give up her pack-a-day smoking habit and invest the money she would have spent on cigarettes in a retirement account. At $6.00 a pack, Jennifer is currently spending $2,190 per year on cigarettes. Jennifer is 25 years old and plans to retire in 35 years, at age 60. She has chosen a retirement account that will earn a long-term average return of 5 percent per year. Jennifer is currently earning $40,000 annually. Assume that the average annual inflation rate will be 5 percent per year, that the cost of cigarettes will increase with inflation, and that Jennifer's income will also rise with the inflation rate.
The cross-price elasticity between natural gas and heating oil is estimated to be 2.3 . The cross-price elasticity between natural gas and electricity is estimated to be -0.8
What is the relationship between natural gas and heating oil? What is the relationship between natural gas and electricity? Explain.