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Consider the market for cars. Which determinant of demand is affected by each of the following events? Choose from: consumer preferences, prices of related goods, incomes, expectations, and the number of buyers. [LO 3.2] a. Environmentalists launch a successful One Family, One Car campaign. b. A baby boom occurred 16 years ago. c. Layoffs increase as the economy sheds millions of jobs. d. An oil shortage causes the price of gasoline to soar. e. The government offers tax rebates in return for the purchase of commuter rail tickets. f. The government announces a massive plan to bail out the auto industry and subsidize production costs.

Consider the market for corn. Say whether each of the following events will cause a shift in the demand curve or a movement along the curve. If it will cause a shift, specify the direction. [LO 3.3] a. A drought hits corn-growing regions, cutting the supply of corn. b. The government announces a new subsidy for biofuels made from corn. c. A global recession reduces the incomes of consumers in poor countries, who rely on corn as a staple food. d. A new hybrid variety of corn seed causes a 15 percent increase in the yield of corn per acre. e. An advertising campaign by the beef producers' association highlights the health benefits of corn-fed beef.

Consider the market for cars. Which determinant of supply is affected by each of the following events? Choose from: prices of related goods, technology, prices of inputs, expectations, and the number of sellers in the market. [LO 3.4] a. A steel tariff increases the price of steel. b. Improvements in robotics increase efficiency and reduce costs. c. Factories close because of an economic downturn. d. The government announces a plan to offer tax rebates for the purchase of commuter rail tickets. e. The price of trucks falls, so factories produce more cars. f. The government announces that it will dramatically rewrite efficiency standards, making it much harder for automakers to produce their cars.

Consider the market for corn. Say whether each of the following events will cause a shift in the supply curve or a movement along the curve. If it will cause a shift, specify the direction. [LO 3.5\(]\) a. A drought hits corn-growing regions. b. The government announces a new subsidy for biofuels made from corn. c. A global recession reduces the incomes of consumers in poor countries, who rely on corn as a staple food. d. A new hybrid variety of corn seed causes a 15 percent increase in the yield of corn per acre. e. An advertising campaign by the beef producers' association highlights the health benefits of corn-fed beef.

Say whether each of the following changes will increase or decrease the equilibrium price and quantity, or whether the effect cannot be predicted. \([\mathrm{LO} 3.7]\) a. Demand increases; supply remains constant. b. Supply increases; demand remains constant. c. Demand decreases; supply remains constant. d. Supply decreases; demand remains constant. e. Demand increases; supply increases. f. Demand decreases; supply decreases. g. Demand increases; supply decreases. h. Demand decreases; supply increases.