Question Details

ECON 545
EXAM VERSION 4
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)
Question 2. 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 firm- marginal revenue as it increases output from 160 units to 180 units? Show all work. (Be careful here!) (Points : 30) 
Suppose the governor of California has proposed increasing toll rates on California's toll roads, and has presented two possible scenarios to implement these increases. Following are projected data for the two scenarios for the California toll roads:
Scenario 1: Toll rate in 2012: $10.00. Toll rate in 2016: $22.50

For every 100 cars using the toll roads in 2012, only 81.6 cars will use the toll roads in 2016.

Scenario 2:
Toll rate in 2012: $10.00. Toll rate in 2016: $17.50

For every 100 cars using the toll roads in 2012, only 96.2 cars will use the toll roads in 2016.

Using the midpoint formula, calculate the price elasticity of demand for Scenario 1 and Scenario 2. (10 points)
Assume 10,000 cars use California toll roads every day in 2012. What would be the daily total revenue received for each scenario in 2012 and in 2016? (6 points)
Is demand under Scenario 1 and under Scenario 2 price elastic, inelastic, or unit elastic. Briefly explain. 
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 Total Workers 	Labor 		Cost Output			 Revenue
 1 			$300			 50			 $350 
2 			600 			140			 675 
3			 900 			220 			1120 
4 			1200 			270			 1570 
5 			1500 			300 			1865
 6 			1800			 315			 2070 
7 			2100			 320 			2170
(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?
(12 points) Based on your knowledge of marginal analysis, how many workers should 
(d.)	you hire? Explain you answer. (Points : 30)
Question 4. 4. (TCO C) 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                 $500.00         0.00 
1                 500.00         70.00 
2                 500.00        130.00 
3                 500.00        170.00 
4                 500.00        200.00 
5                 500.00        300.00 
6                 500.00        510.00 
(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 
(a.)	will the profit or loss be? Show all calculations. 
(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 
(b.)	will the profit or loss be? Show all calculations. (Points : 30
Question 5. 5. (TCO D)   A software producer has fixed costs of $120,000 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                              Price
1,000               $115,000                             $125    
2,000                 120,000                              74    
3,000                 130,000                              55    
4,000                 150,000                              44    
5,000                 180,000                              30     
(a.) (15 points) If software can only be produced in the quantities above, what should be the production level if the 
(b.) (15 points) What should be the production level if fixed costs rose to $160,000 per month? Explain.  
(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                           Price
  2,000                $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 150. 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?
Question 7. 7. (TCO G and H)
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 economy- 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.  
(10 points) How much excess reserve does your deposit generate for the bank?
(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 that there is a decrease 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 
(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?