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姓名: 學號: Homework1Economics (I), 2013Due Date: 2013.10.18Part I. Multiple Choices (50 points: 5 points of each ) Please fill your answers in below blanks.12345678910CBCBDAEADAScarcity refers to the situation in whichunlimited resources exceed limited wants.a nation's poverty level increases faster than its population.unlimited wants exceed limited resources.a country's population is larger than its resource base.Answer: CWhich of the following is a positive economic statement?People should not buy imported fruits and vegetables.The minimum wage law causes unemployment.The government should subsidize solar power for homeowners.The number of work visas should not be limited by the government.Answer: BWhich of the following is a normative economic statement?When the price of milk rises, the cost of milk-based products rises.The current high price of milk is the result of reduced worldwide supplyThe price of milk is too high.When the price of milk rises, the quantity of milk purchased falls.Answer: CFast food restaurants produce a range of menu items such as hamburgers, chicken sandwiches, salads, and french fries. What fundamental economic question are they addressing by offering this range of items?Why produce a variety of menu items?What to produce?How to produce goods that consumers want?Who to produce the menu items for?Answer: BWhich of the following is an example of an economic trade-off that a firm has to make?deciding what profit margin it desires for its products.deciding why consumers want its products.whether or not consumers will buy its products.whether it is cheaper to produce with more machines or with more workers.Answer: DFigure 1 Figure 1 shows various points on three different production possibilities frontiers for a nation.Refer to Figure 1. A movement from ________ is the result of advancements in plastic production technology.Y to ZW to XV to XZ to WAnswer: ARefer to Figure 1. Consider the following events:an increase in the unemployment ratea decrease in a nation's money supplya war that kills a significant portion of a nation's populationWhich of the events listed above could cause a movement from Z to X ?a and b onlya and c onlya onlya, b and cc onlyAnswer: EOne Cell PhoneLumber (per board foot)Estonia40 hours8 hoursFinland16 hourshoursTable 1Table 1 shows the number of labor hours required to produce a cell phone and a board foot of lumber in Estonia and FinlandRefer to Table 1. Estonia has a comparative advantage in the production oflumber.neither product.cell phones.both products.Answer: ARefer to Table 1. If the two countries specialize and trade, who should export lumber?There is no basis for trade between the two countries.They should both be exporting lumber.FinlandEstoniaAnswer: DAn example of a factor of production isa worker hired by an auto manufacturer.the automobiles exported by an auto manufacturer.a loan granted to an auto manufacturer.a car produced by an auto manufacturer.Answer: APossible Output CombinationsCashews (thousands of pounds)Almonds(thousands of pounds)A35 0B3020C2535D2047E1557F1064G 568H 070Table 2Refer to Table 2. The Nut House produces only cashews and almonds. The table above shows the maximum possible output combinations of the two nuts using all resources and currently available technology.Graph The Nut House's production possibilities frontier. Put almonds on the horizontal axis and cashews on the vertical axis. Be sure to identify the output combination points on your diagram.Suppose The Nut House is currently producing at point C. What is the opportunity cost of producing an additional 12,000 pounds of almonds?Suppose The Nut House is currently producing at point C. What happens to the opportunity cost of producing more and more almonds? Does it increase, decrease or remain constant? Explain your answer.Suppose The Nut House is currently producing at point F. What happens to the opportunity cost of producing more and more cashews? Does it increase, decrease or remain constant? Explain your answer.Suppose The Nut House is plagued by a variety of white root-rot disease, which destroys cashew trees but not almond trees. Show in a graph what happens to its PPF.Answer: b. 5,000 pounds of cashewsc. It increases. For example to move to D, The Nut House has to give up 5,000 pounds of cashews to produce an additional 10,000 pounds of almonds. For each additional 5,000 pounds of cashews foregone, the payoff in terms of almonds gets progressively smaller.d. It increases. Each time it wants to produce an additional 5,000 pounds of cashews, more and more almonds must be given up.e. Digital CameraWheat (bushels)China100 hours5 hoursSouth Korea90 hours3 hoursTable 3Refer to Table 3. This table shows the number of labor hours required to produce a digital camera and a bushel of wheat in China and South Korea.If each country has a total of 9,000 labor hours to devote to the production of the two goods, draw the production possibilities frontier for each country. Put "Digital Camera" on the horizontal axis and "Wheat" on the vertical axis. Be sure to identify the intercept values on your graphs.Suppose each country allocates 60% its labor hours to wheat production and 40% to the production of digital cameras. Complete Table 4 below to show each country's output of the two products.Table 4: Production and Consumption with no TradeDigital Camera OutputWheat Output(bushels)ChinaSouth KoreaTotalIf the two countries do not trade and consume whatever they produce, identify the current production and consumption point for each country on their respective production possibilities frontiers. Label China's consumption point "C" and South Korea's consumption point, "K."Suppose the two countries specialize and trade. Who should produce digital cameras and who should produce wheat? Explain your plete Table 5 below to show each country's output with specialization.Table 5: Output with SpecializationDigital Camera OutputWheat Output(bushels)ChinaSouth KoreaTotalDid specialization increase the combined output for the two countries without any increase in resources? If so, by how much?Suppose China and South Korea agree to trade so that in exchange for 1,200 bushels of wheat, the exporter of wheat receives 48 digital cameras. Complete Table 6 below to show each country's consumption bundle after trade.Table 6: Consumption with TradeDigital Camera Wheat (bushels)ChinaSouth KoreaShow the consumption points after trade on each country's production possibilities frontier. Label these points "B" for China and "J" for South Korea.Has trade made the two countries better off? Explain your answer.Answer: a. Digital Camera OutputWheat Output(bushels)China361,080South Korea401,800Total762,880See graph in part (a)China should specialize in producing digital cameras because it has a lower opportunity cost: 20 bushels of wheat as opposed to South Korea's 30 bushels of wheat. South Korea should specialize in producing wheat because it has a lower opportunity cost: 0.03 units of a digital camera as opposed to China's 0.05 units of a digital camera.Digital Camera OutputWheat Output(bushels)China90 0South Korea 03,000Total903,000Yes, digital camera output increased by 14 units (from 76 units to 90 units) and wheat output increased by 120 bushels (from 2,880 bushels to 3,000 bushels).See graph in part (a)Yes, trade has enabled the two countries to consume outside their PPFs. ................
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