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Sample First Exam in ECON 206: Principles of Microeconomics, Exams of Microeconomics

This is a sample first exam for econ 206, a principles of microeconomics course. It covers topics such as opportunity cost, production possibilities curve, demand and supply, price elasticity, production functions, and cost curves. The exam consists of multiple-choice questions and problems that require short essays.

Typology: Exams

Pre 2010

Uploaded on 08/17/2009

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koofers-user-iwz 🇺🇸

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SAMPLE FIRST EXAM
ECON 206 NAME______________________
PART I. MULTIPLE CHOICE. (2 points each)
1. Opportunity cost may be defined as the:
a. goods or services that are forgone in order to
obtain something else.
b. Dollar prices paid for final goods and services.
c. Dollar cost of producing a particular product.
d. Both a and c.
2. Which of the following is an assumption under which the
production possibilities curve is drawn?
a. There is significant unemployment.
b. The amounts of factors of production available
are fixed.
c. The price level is changing.
d. Technology is changing.
3. Which of the following events would cause the production
possibilities curve to shift outward?
a. A labor strike.
b. Improvement in technology.
c. The full employment of resources.
d. A decrease in available resources.
4. Tennis rackets and tennis balls are commonly used together.
A decrease in the price of tennis rackets will result in:
a. An increase in the demand for tennis balls.
b. A decrease in the demand for tennis balls.
c. A decrease in the demand for tennis rackets.
d. None of the above.
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SAMPLE FIRST EXAM

ECON 206 NAME______________________

PART I. MULTIPLE CHOICE. (2 points each)

  1. Opportunity cost may be defined as the: a. goods or services that are forgone in order to obtain something else. b. Dollar prices paid for final goods and services. c. Dollar cost of producing a particular product. d. Both a and c.
  2. Which of the following is an assumption under which the production possibilities curve is drawn? a. There is significant unemployment. b. The amounts of factors of production available are fixed. c. The price level is changing. d. Technology is changing.
  3. Which of the following events would cause the production possibilities curve to shift outward? a. A labor strike. b. Improvement in technology. c. The full employment of resources. d. A decrease in available resources.
  4. Tennis rackets and tennis balls are commonly used together. A decrease in the price of tennis rackets will result in: a. An increase in the demand for tennis balls. b. A decrease in the demand for tennis balls. c. A decrease in the demand for tennis rackets. d. None of the above.
  1. An increase in the price of a good: a. causes a rightward shift in the supply curve for that good. b. causes a movement along the supply curve. c. is referred to as an increase in supply. d. causes a leftward shift in the supply curve for that good.
  1. Which of the following is most likely to have a price- elasticity coefficient between zero and one? a. An addictive drug. b. Airline travel. c. Restaurant meals. d. New cars.
  2. A demand curve is described as perfectly inelastic if: a. the same quantity is purchased regardless of price. b. the same price is charged regardless of quantity sold. c. only price can change. d. it is horizontal.
  3. If the price elasticity of demand is 2.0, and a firm raises its price by 10 percent, the quantity sold by the firm will: a. increase by 10 percent. b. decrease by 10 percent. c. decrease by 20 percent. d. increase by 20 percent.
  4. A production function shows: a. the minimum amount of output that can be obtained from alternative combinations of inputs. b. the maximum quantities of inputs required to produce a given quantity of output. c. the maximum output we can produce with varying amounts of factor inputs. d. the output capacity of the entire economy.
  5. The period in which at least one input is fixed in quantity is the: a. long-run. b. production run. c. short-run. d. investment period.
  1. The law of diminishing returns indicates that marginal physical product of a factor input declines as: a. more output is produced with the most efficient combination of inputs. b. more of the factor is used, holding output constant. c. more of the factor is used, holding other inputs constant. d. all of the above.
  2. Rising marginal costs result from: a. rising prices of fixed inputs. b. rising prices of variable inputs. c. falling marginal physical product. d. all of the above.

PART II. PROBLEMS AND SHORT ESSAYS. Answer all questions right on this exam paper.

  1. Suppose that a hurricane severely reduces the Florida orange crop. Using the diagrams below, show the impact of this event on the markets for oranges, orange juice, and apple juice. Be sure to clearly label the new equilibrium price and quantity in each market and provide a brief explanation for why you shifted each curve. (18 points) P S P S P S P 1 P 1 P 1 D D D Q 1 Q Q 1 Q Q 1 Orange Market Orange Juice Market Apple Juice Market

b. For each good, would you advise the hardware store owner to change the price he charges? If so, should he raise the price or lower it? Explain thoroughly. If not, explain why he should not. (8 points)

  1. Suppose a firm has the following short-run total cost (TC) function. Q TC 0 10 1 16 2 20 3 22 4 30 5 40 a. What are the firm's total fixed costs (TFC)? Explain how you found them. (2 points) b. Find total variable cost (TVC ), average variable cost (AVC), and marginal cost (MC) for an output of 3 units. SHOW ALL CALCULATIONS. (9 points) Q TVC AVC MC 3