1. If mayonnaise and Miracle Whip are substitutes, the which of the following would increase the demand for Miracle Whip? a. a decrease in the price of Miracle Whip. b. an increase in the price of mayonnaise. c. a decrease in the price of mayonnaise. 2. Which of the following events could shift the demand curve for gasoline to the left? a. The income of gasoline buyers rises, and gasoline is a normal good. b. The income of gasoline buyers falls, and gasoline is an inferior good. c. Public service announcements run on television encourage people to walk or ride bicycles instead of driving cars. d. The price of gasoline rises. 3. Which of the following would shift the supply of Dallas Cowboys football jerseys to the left? a. The Dallas Cowboys make it to the Super Bowl. b. The price of the jersey's increases by $15. c. The technology of sewing machines use to make the jerseys improves. d. The cost of fabric used to make the jersey's increases. 4. Which of the following events must cause equilibrium price to rise? a. demand increases and supply decreases. b. demand and supply both decreases. c. demand decreases and supply increases. d. demand and supply both increases. 5. Suppose that demand for a good decreases and, at the same time, supply of the good decreases. What would happen in the market for the good? a. Equilibrium price would decrease, but the impact on equilibrium quantity would be ambiguous. b. Equilibrium price would increase, but the impact on equilibrium quantity would be ambiguous. c. Equilibrium quantity would decrease, but the impact on equilibrium price would be ambiguous. d. Equilibrium quantity would increase, but the impact on equilibrium price would be ambiguous