ECON 545 Final Exam

# ECON 545 Final Exam

1. (TCO A) Suppose you are hired to manage a small manufacturing facility that produces Widgets. (a.) (15 points) You know from data collected on the Widget Market that market demand and market supply have both increased recently. As manager of the facility, what decisions should you make regarding production levels and pricing for your Widget facility?Remember that supply and demand are about the market supply and market demand, which is bigger than your own company. You are being given data on supply and demand for the whole market and are being asked what effect that has on you as a small part of that market.(b.) (15 points) Now, suppose that following the supply and demand changes in (a), a substitute good goes up in price, and your costs of production increase. What new decisions will you make regarding production levels and pricing for your Widget facility? (Points : 30) 2. (TCO B) Here is some data on the demand for lettuce:Price Quantity\$10 100\$ 8 120\$ 6 140\$ 4 160\$ 2 180(a.) (15 points) Is demand elastic or inelastic in the \$6-\$8 price range? How do you know?(b.) (15 points) If the table represents the demand faced by a monopoly firm, then what is that firms marginal revenue as it increases output from 160 units to 180 units? Show all work. (Be careful here!) (Points : 30)Question 3. 3. (TCO C) You have been hired to manage a small manufacturing facility whose cost and production data are given in the table below. Total TotalWorkers Labor Cost Output Revenue1 \$500 100 7002 1000 280 11503 1500 440 14404 2000 540 15705 2500 600 16706 3000 630 17107 3500 640 1730(a.) (6 points) What is the marginal product of the second worker? (b.) (6 points) What is the marginal revenue product of the fourth worker? (c.) (6 points) What is the marginal cost of the first worker? (d.) (12 points) Based on your knowledge of marginal analysis, how many workers should you hire? Explain you answer. (Points : 30) Question 4. 4. (TCO C) john operates a small business out of his home and has little interms of fixed costs. Answer the next questions (Parts A and B) on the basis of the following cost data for a firm operating in pure competition: OUTPUT TFC – TVC 0 \$30.00 0.00 1 30.00 70.00 2 30.00 120.00 3 30.00 150.00 4 30.00 200.00 5 30.00 270.00 6 30.00 360.00 (a.) (15 points) Refer to the above data. If the product price is \$185 at its optimal output, will the firm realize an economic profit, break even, or incur an economic loss? How much will the profit or loss be? Show all calculations. (b.) (15 points) Refer to the above data. If the product price is \$200 at its optimal output, will the firm realize an economic profit, break even, or incur an economic loss? How much will the profit or loss be? Show all calculations. (Points : 30) Question 5. 5. (TCO D) A software producer has fixed costs of \$20,000 per month and her Total Variable Costs (TVC) as a function of output Q are given below. Complete the table (TC, MC, TR, and MR), then answer Parts A and B.Q TVC Price2,000 \$5,000 \$25 4,000 7,000 22 6,000 18,000 20 8,000 33,000 10 10,000 50,000 1 (a.) (15 points) If software can only be produced in the quantities above, what should be the production level if the producer operates in a monopolistic competitive market where the price of software at each possible quantity is also listed above? Why? (Show all work.) (b.) (15 points) What should be the production level if fixed costs rose to \$70,000 per month? Explain. (Points : 30) Question 6. 6. (TCO F)(a.) (20 points) Suppose nominal GDP in 1999 was \$200 billion and in 2001 it was \$270 billion. The general price index in 1999 was 100 and in 2001, it was 180. Between 1999 and 2001, the real GDP rose by what percent? (b.) Use the following scenario to answer questions (b1.) and (b2.).In a given year in the United States, the total number of residents is 270 million, the number of residents under the age of 16 is 38 million, the number of institutionalized adults is 15 million, the number of adults who are not looking for work is 17 million, and the number of unemployed is 10 million.(b1.) (5 points) Refer to the data in the above scenario. What is the size of the labor force in the United States for the given year? (b2.) (5 points) Refer to the data in the above scenario. What is the unemployment rate in the United States for the given year? (Points : 30) Question 7. 7. (TCO G and H) (a.) (15 points) Suppose your local Congress representative suggests that the federal government should NOT intervene in the baseball ticket market to stop runaway price increases. Would you say that this view basically supports the Keynesian or the Monetarist school of thought? Why? What position would the opposing school of thought take on this issue? (Be brief you can answer this in 2 or 3 brief paragraphs). (b.) (10 points) Any change in the economys total expenditures would be expected to translate into a change in GDP that was larger than the initial change in spending. This phenomenon is known as the multiplier effect. Explain how the multiplier effect works. (c.) (15 points) You are told that 75 cents out of every extra dollar pumped into the economy goes toward consumption (as opposed to saving). Estimate the GDP impact of a positive change in government spending that equals \$25 billion. (Points : 40) Question 8. 8. (TCO G)(a.) Reserve requirement for banks is set at 5%. Your firm deposits its profits of \$28,000 into the Third National Bank.(10 points) How much excess reserve does your deposit generate for the bank?(10 points) What is the maximum amount of new money that can be created in the banking system as a result of this deposit? Show all work.(b.) (10 points) What is the Federal Funds Rate in the banking system?(10 points) Explain how the Fed manipulates this rate in order to achieve macroeconomic objectives. (Points : 40)Question 9. 9. (TCO E and I) Let the exchange rate be defined as the number of dollars per Japanese yen. Assume there is an increase in U.S. interest rates relative to that of Japan.(a.) (10 points) Would this event cause the demand for the dollar to increase or decrease relative to the demand for the yen? Why? (b.) (10 points) Has the dollar appreciated or depreciated in value relative to the yen? (c.) (10 points) Does this change in the value of the dollar make imports cheaper or more expensive for Americans? Are American exports cheaper or more expensive for importers of U.S. goods in Japan? Illustrate by showing the price of a U.S. e-reader in Japan before and after the change in the exchange rate. (d.) (10 points) If you had a business exporting goods to Japan, and U.S. interest rates rose as they have in this example, would you plan to expand production or cut back? Why? (Points : 40)

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