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Bus 207 Exercise Example Essay

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Demand examples 1. a. If the demand curve for wheat in the United States is P= 12.4 - 4QD where P is the farm price of wheat (in dollars per bushel) and QD is the quantity of wheat demanded (in billions of bushels), and the supply curve for wheat in the United States is P = -2.6 + 2QS where QS is the quantity of wheat supplied (in billions of bushels), what is the equilibrium price of wheat? What is the equilibrium quantity of wheat sold? Must the actual price equal the equilibrium price? Why or why not? b. The lumber industry was hit hard by the subprime mortgage turmoil in 2008. Prices plunged from $290 per thousand board feet to less than $200 per thousand board feet. Many observers believed this price decrease …show more content…

How big a decline in travel would you predict resulted on this route as a consequence of the new tax? You may assume that the all-in ticket price has risen by the full amount of the surcharge, for simplicity. Your answer should be specified as a range. b. It was reported that BeachAir’s number of occupied seats on scheduled flights for the above route fell from 2000 to 1500 after the tax was imposed. What is the arc measure of the price elasticity of demand on this route? 4. The Haas Corporation’s executive vice president circulates a memo to the firm’s top management in which he argues for a reduction in the price of the firm’s product. He says such a price cut will increase the firm’s sales and profits. a. The firm’s marketing manager responds with a memo pointing out that the price elasticity of demand for the firm’s product is about -0.5. Why is this fact relevant? b. The firm’s president concurs with the opinion of the executive vice president. Is she correct? 5. The Johnson Robot Company’s marketing managers estimate that the demand curve for the company’s robots in 2008 is P = 3,000 - 40Q where P is the price of a robot and Q is the number sold per month. a. Derive the marginal revenue curve for the firm. b. At what prices is the demand for the firm’s product price elastic? c. If

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