Chapter 4: Problem 12
Briefly explain whether you agree with the following statement: "If there is a shortage of a good, it must be scarce, but there is not a shortage of every scarce good."
Chapter 4: Problem 12
Briefly explain whether you agree with the following statement: "If there is a shortage of a good, it must be scarce, but there is not a shortage of every scarce good."
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William Easterly in The White Man's Burden shared the following account by New York University Professor Leonard Wantchekon of how Professor Wantchekon's village in Benin, Africa, managed the local fishing pond when he was growing up: To open the fishing season, elders performed ritual tests at Amlé, a lake fifteen kilometers from the village. If the fish were large enough, fishing was allowed for two or three days. If they were too small, all fishing was forbidden, and anyone who secretly fished the lake at this time was outcast, excluded from the formal and informal groups that formed the village's social structure. Those who committed this breach of trust were often shunned by the whole community; no one would speak to the offender, or even acknowledge his existence for a year or more. What economic problem were the village elders trying to prevent? Do you think their solution was effective?
An editorial in the Economist magazine discusses the fact that in most countries-including the United States-it is illegal for individuals to buy or sell body parts, such as kidneys. a. Draw a demand and supply graph for the market for kidneys. Show on your graph the legal maximum price of zero and indicate the quantity of kidneys supplied at this price. (Hint: Because we know that some kidneys are donated, the quantity supplied will not be zero.) b. The editorial argues that buying and selling kidneys should be legalized: With proper regulation, a kidney market would be a big improvement over the current sorry state of affairs. Sellers could be checked for disease and drug use, and cared for after operations. ... Buyers would get better kidneys, faster. Both sellers and buyers would do better than in the illegal market, where much of the money goes to middlemen. Do you agree with this argument? Should the government treat kidneys like other goods and allow the market to determine the price?
In recent years, companies have used fracking, or hydraulic fracturing, in drilling for oil and natural gas that previously could not be profitably recovered. According to an article in the New York Times, "horizontal drilling has enabled engineers to inject millions of gallons of high-pressure water directly into layers of shale to create the fractures that release the gas. Chemicals added to the water dissolve minerals, kill bacteria that might plug up the well, and insert sand to prop open the fractures." Experts are divided about whether fracking results in significant pollution, but some people worry that chemicals used in fracking might lead to pollution of underground supplies of water used by households and farms. a. First, assume that fracking causes no significant pollution. Use a demand and supply graph to show the effect of fracking on the market for natural gas. b. Now assume that fracking does result in pollution. On your graph from part (a), show the effect of fracking. Be sure to carefully label all curves and all equilibrium points. c. In your graph in part (b), what has happened to the efficient level of output and the efficient price in the market for natural gas compared with the situation before fracking? Can you be certain that the efficient level of output and the efficient price have risen or fallen as a result of fracking? Briefly explain.
Define rivalry and excludability and use these terms to discuss the four categories of goods.
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