Which of the following is a normative question?
◦ Why do gasoline prices increase between Memorial Day and Labor Day?
◦ What will happen to gasoline consumption if the federal tax on gasoline is eliminated?
◦ To reduce the regressive nature of the gasoline excise tax, should the portion of the gasoline excise tax paid by high-income individuals be increased?
◦ How will oil exploration be affected if the government subsidizes oil producers?