Unit 2 - Practice Quiz

ECO113 50 Questions
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1 Which of the following best defines Opportunity Cost?

A. The cost of raw materials and labor
B. The accounting cost minus the economic cost
C. The total explicit costs incurred by a firm
D. The value of the next best alternative forgone

2 Costs that involve a direct monetary outlay or payment to outsiders are known as:

A. Social Costs
B. Implicit Costs
C. Explicit Costs
D. Sunk Costs

3 A cost that has already been incurred and cannot be recovered is called a:

A. Opportunity Cost
B. Sunk Cost
C. Marginal Cost
D. Variable Cost

4 Economic Profit is calculated as:

A. Total Revenue Variable Costs
B. Total Revenue Explicit Costs
C. Total Revenue (Explicit Costs + Implicit Costs)
D. Total Revenue Fixed Costs

5 In the context of the production function, the Short Run is defined as a period where:

A. At least one input is fixed while others are variable
B. All inputs are variable
C. The firm can exit the industry completely
D. No production takes place

6 The functional relationship between physical inputs and physical output is known as:

A. Demand Function
B. Production Function
C. Cost Function
D. Revenue Function

7 Which law governs production in the short run with one variable input?

A. Law of Variable Proportions
B. Law of Returns to Scale
C. Law of Demand
D. Law of Increasing Returns

8 In the Law of Variable Proportions, the Point of Inflection occurs where:

A. Average Product is maximum
B. Marginal Product is zero
C. Total Product starts increasing at a diminishing rate
D. Total Product stops increasing

9 When Total Product (TP) is at its maximum, Marginal Product (MP) is:

A. Maximum
B. Zero
C. Equal to Average Product
D. Negative

10 Which of the following describes Stage II of the Law of Variable Proportions?

A. MP is increasing
B. MP is declining but positive
C. MP is negative
D. AP is increasing

11 A rational producer will always operate in which stage of the Law of Variable Proportions?

A. Either Stage I or III
B. Stage II
C. Stage III
D. Stage I

12 If the production function exhibits Constant Returns to Scale, doubling all inputs will result in:

A. Less than double the output
B. Exactly double the output
C. No change in output
D. More than double the output

13 Total Fixed Cost (TFC) curve is:

A. A horizontal straight line parallel to the X-axis
B. U-shaped
C. Upward sloping
D. A vertical straight line

14 Which cost curve is known as a Rectangular Hyperbola?

A. Average Variable Cost (AVC)
B. Average Fixed Cost (AFC)
C. Average Total Cost (ATC)
D. Marginal Cost (MC)

15 Total Cost (TC) in the short run is the sum of:

A. Average Fixed Cost and Average Variable Cost
B. Implicit Cost and Explicit Cost
C. Total Fixed Cost and Marginal Cost
D. Total Fixed Cost and Total Variable Cost

16 Marginal Cost (MC) is defined as:

A. The cost of the fixed inputs
B. The change in total cost resulting from a one-unit change in output
C. The difference between Average Cost and Average Variable Cost
D. The total cost divided by output

17 The vertical distance between the Total Cost (TC) curve and the Total Variable Cost (TVC) curve is equal to:

A. Zero
B. Total Fixed Cost
C. Average Fixed Cost
D. Marginal Cost

18 When Average Cost (AC) is falling, what is the relationship between AC and Marginal Cost (MC)?

A.
B.
C.
D.

19 The Marginal Cost (MC) curve cuts the Average Cost (AC) curve at:

A. The beginning of the AC curve
B. The minimum point of AC
C. The maximum point of AC
D. Any point depending on the product

20 Which of the following curves is NOT U-shaped?

A. Average Variable Cost (AVC)
B. Average Fixed Cost (AFC)
C. Marginal Cost (MC)
D. Short-run Average Cost (SAC)

21 The Long Run Average Cost (LAC) curve is also called the:

A. Envelope Curve
B. Operating Curve
C. Both Planning and Envelope Curve
D. Planning Curve

22 Internal Economies of Scale occur due to:

A. Expansion of the firm's own size
B. Government subsidies
C. Growth of the industry as a whole
D. Development of infrastructure in the region

23 If a firm doubles its inputs and output increases by less than double, it is experiencing:

A. Increasing Returns to Scale
B. Economies of Scope
C. Decreasing Returns to Scale
D. Constant Returns to Scale

24 The formula for Break-Even Point (BEP) in units is:

A.
B.
C.
D.

25 Contribution Margin is defined as:

A. Total Assets Total Liabilities
B. Fixed Costs + Profit
C. Sales Variable Costs
D. Sales Fixed Costs

26 At the Break-Even Point, Total Revenue (TR) is equal to:

A. Total Fixed Cost
B. Total Cost
C. Total Variable Cost
D. Zero

27 The Margin of Safety is calculated as:

A. Fixed Cost / P/V Ratio
B. Actual Sales Break-Even Sales
C. Variable Cost / Sales
D. Break-Even Sales Actual Sales

28 The Profit-Volume (P/V) Ratio is calculated as:

A.
B.
C.
D.

29 An increase in Fixed Costs, assuming other factors remain constant, will:

A. Decrease the Break-Even Point
B. Have no effect on the Break-Even Point
C. Increase the Break-Even Point
D. Increase the P/V Ratio

30 Which of the following represents an Implicit Cost?

A. Rent paid for a factory
B. Interest on borrowed capital
C. Wages paid to laborers
D. Salary foregone by the owner for working in their own firm

31 Variable inputs are those that:

A. Are free of cost
B. Cannot be changed in the short run
C. Can be changed in the short run
D. Are used only in the long run

32 When Average Product (AP) is decreasing, Marginal Product (MP) is:

A. Greater than AP
B. Constant
C. Equal to AP
D. Less than AP

33 The shape of the Total Product (TP) curve in the first stage of production is:

A. A straight line
B. Initially convex, then concave
C. Concave to the origin
D. Convex to the origin

34 Incremental costs are most similar to which other cost concept?

A. Average Costs
B. Marginal Costs
C. Fixed Costs
D. Sunk Costs

35 In a Break-Even Chart, the Angle of Incidence indicates:

A. The fixed cost amount
B. The total loss
C. The rate at which profit is earned
D. The variable cost ratio

36 If Selling Price is $20$, Variable Cost is $12$, and Fixed Cost is $10,000$, the Break-Even Point in units is:

A. 1,250 units
B. 500 units
C. 833 units
D. 1,000 units

37 The Shut-down point in the short run for a firm occurs when Price is equal to:

A. Average Fixed Cost (AFC)
B. Average Variable Cost (AVC)
C. Marginal Cost (MC)
D. Average Total Cost (ATC)

38 Accounting Profit is generally ____ than Economic Profit.

A. Lower
B. Equal
C. Higher
D. Unrelated

39 In the long run, there are no:

A. Variable Costs
B. Implicit Costs
C. Opportunity Costs
D. Fixed Costs

40 Which curve indicates the minimum unit cost of producing any given volume of output in the long run?

A. SAC Curve
B. LMC Curve
C. LAC Curve
D. AVC Curve

41 Managerial diseconomies of scale arise primarily due to:

A. Communication and coordination difficulties
B. Technological obsolescence
C. Shortage of raw materials
D. Government taxes

42 The derivative of the Total Cost function with respect to Quantity () gives:

A. Fixed Cost
B. Total Variable Cost
C. Average Cost
D. Marginal Cost

43 If the P/V ratio is 40% and Fixed Cost is $40,000$, what is the Break-Even Sales volume?

A. $160,000$
B. $100,000$
C. $10,000$
D. $16,000$

44 The law of variable proportions is also known as:

A. Law of Diminishing Returns
B. Law of Diminishing Marginal Utility
C. Law of Constant Returns
D. Law of Supply

45 Isoquants are to production what ____ are to consumption.

A. Supply curves
B. Demand curves
C. Budget lines
D. Indifference curves

46 Social Cost is defined as:

A. Private Cost External Cost
B. Explicit Cost + Implicit Cost
C. Fixed Cost + Variable Cost
D. Private Cost + External Cost

47 When Total Product is falling, Marginal Product is:

A. Rising
B. Zero
C. Constant
D. Negative

48 The difference between Total Revenue and Total Variable Cost is known as:

A. Gross Margin
B. Operating Profit
C. Net Profit
D. Contribution

49 Which of the following cost curves is never U-shaped?

A. Short Run Marginal Cost
B. Total Fixed Cost
C. Average Variable Cost
D. Long Run Average Cost

50 If a firm wants to lower its Break-Even Point, it should:

A. Decrease Selling Price
B. Increase Variable Cost per unit
C. Increase Fixed Costs
D. Reduce Fixed Costs