TRB BT Assistant - Production, Cost and Market Structures Online Test (MCQ Quiz)

1. What is the primary goal of a firm in a perfectly competitive market?

A) To maximize market share B) To differentiate its product C) To maximize profit D) To set the industry price

2. Which of the following is a characteristic of a monopoly?

A) Many sellers with identical products B) Few sellers with differentiated products C) A single seller with no close substitutes D) Many buyers and many sellers

3. The law of diminishing marginal returns states that:

A) As more of a variable input is added to a fixed input, total output will eventually decrease. B) As more of a variable input is added to a fixed input, the marginal product of that input will eventually decrease. C) As more of a variable input is added to a fixed input, average product will eventually decrease. D) As more of a variable input is added to a fixed input, total cost will eventually decrease.

4. Which cost is not affected by the level of output in the short run?

A) Variable Cost B) Marginal Cost C) Total Cost D) Fixed Cost

5. In the long run, all factors of production are:

A) Fixed B) Variable C) Partially variable D) Dependent on technology

6. What is the relationship between marginal cost (MC) and average total cost (ATC) when ATC is rising?

A) MC < ATC B) MC > ATC C) MC = ATC D) MC = 0

7. A firm operating in a perfectly competitive market is a:

A) Price maker B) Price taker C) Quantity adjuster D) Market influencer

8. Which market structure has the highest barriers to entry?

A) Perfect Competition B) Monopolistic Competition C) Oligopoly D) Monopoly

9. What is the formula for Average Fixed Cost (AFC)?

A) Total Cost / Quantity B) Variable Cost / Quantity C) Fixed Cost / Quantity D) Marginal Cost / Quantity

10. Product differentiation is a key characteristic of which market structure?

A) Perfect Competition B) Monopoly C) Oligopoly D) Monopolistic Competition

11. The shutdown point for a firm in the short run occurs when:

A) Price is less than Average Total Cost B) Price is less than Average Variable Cost C) Price is less than Marginal Cost D) Price is equal to Marginal Cost

12. In an oligopoly, firms are interdependent because:

A) They all produce identical products B) Their actions significantly affect each other's profits C) There are very low barriers to entry D) Each firm has a large market share

13. What does the Total Product curve represent?

A) The total revenue generated by a firm B) The total cost incurred by a firm C) The total output produced by a firm given its inputs D) The profit earned by a firm

14. Which of the following is an example of a fixed cost?

A) Wages for production workers B) Raw materials C) Rent on a factory building D) Electricity consumed by machinery

15. Economies of scale occur when:

A) Average cost increases as output increases B) Average cost decreases as output increases C) Marginal cost increases as output increases D) Total cost decreases as output increases

16. A natural monopoly arises when:

A) A firm is granted a government patent B) A single firm can supply the entire market at a lower cost than two or more firms C) A firm has exclusive control over a vital resource D) A firm engages in aggressive predatory pricing

17. What is the formula for Average Variable Cost (AVC)?

A) Total Cost / Quantity B) Variable Cost / Quantity C) Fixed Cost / Quantity D) Marginal Cost / Quantity

18. In monopolistic competition, firms have some control over price due to:

A) High barriers to entry B) Product differentiation C) Collusion with other firms D) Government regulation

19. What is the point where Marginal Product (MP) is maximized?

A) Where Total Product starts to decline B) Where Average Product is equal to Marginal Product C) Where Marginal Product starts to decline D) At zero output

20. Which market structure is characterized by widespread advertising and branding?

A) Perfect Competition B) Monopoly C) Oligopoly D) Monopolistic Competition

21. The difference between Total Cost and Variable Cost is:

A) Marginal Cost B) Average Cost C) Fixed Cost D) Profit

22. A firm will shut down in the short run if:

A) Total Revenue is less than Total Variable Cost B) Total Revenue is less than Total Fixed Cost C) Total Revenue is less than Total Cost D) Total Revenue is less than Marginal Cost

23. Cartel behavior, like price fixing, is most likely to occur in which market structure?

A) Perfect Competition B) Monopolistic Competition C) Oligopoly D) Monopoly

24. What is the Marginal Cost (MC) formula?

A) Change in Total Cost / Change in Quantity B) Total Cost / Quantity C) Change in Variable Cost / Quantity D) Change in Fixed Cost / Change in Quantity

25. In the long run, a firm in a perfectly competitive market earns:

A) Supernormal profits B) Subnormal profits C) Zero economic profit D) Negative economic profit

26. Diseconomies of scale occur when:

A) Average cost decreases as output increases B) Average cost increases as output increases C) Marginal cost equals average cost D) Total cost decreases as output increases

27. Which of the following best describes a characteristic of an oligopoly?

A) Homogeneous products only B) Significant barriers to entry and exit C) Price leadership is absent D) Perfect information for all firms

28. What is the relationship between Total Product (TP) and Marginal Product (MP)?

A) MP is the slope of the TP curve B) TP is the slope of the MP curve C) MP is the average of TP D) TP is the derivative of MP

29. A firm operating under monopolistic competition faces a demand curve that is:

A) Perfectly elastic B) Perfectly inelastic C) Downward sloping and relatively elastic D) Downward sloping and relatively inelastic

30. What is the break-even point for a firm?

A) The point where profit is maximized B) The point where Total Revenue equals Total Cost C) The point where Marginal Revenue equals Marginal Cost D) The point where Price equals Marginal Cost

31. In the short run, a perfectly competitive firm maximizes profit by producing at the output level where:

A) Price equals Average Total Cost B) Marginal Revenue equals Marginal Cost C) Price equals Average Variable Cost D) Total Revenue equals Total Cost

32. Which cost is the cost of the next best alternative forgone when a choice is made?

A) Explicit Cost B) Implicit Cost C) Opportunity Cost D) Sunk Cost

33. What is the term for the market structure where there is only one buyer?

A) Monopoly B) Oligopoly C) Monopsony D) Duopoly

34. When does Average Product (AP) reach its maximum?

A) When Marginal Product (MP) is zero B) When MP is equal to AP C) When MP is at its minimum D) When Total Product (TP) is at its minimum

35. The shape of the Average Total Cost (ATC) curve is typically:

A) U-shaped B) Downward sloping C) Upward sloping D) Horizontal

36. A firm in an oligopoly might engage in non-price competition primarily to:

A) Increase production efficiency B) Avoid price wars and differentiate products C) Lower production costs D) Attract new firms into the market

37. The point where Marginal Revenue (MR) equals Marginal Cost (MC) is where:

A) Profit is minimized B) Economic profit is maximized (or loss minimized) C) Total cost is minimized D) Average cost is minimized

38. What is the primary characteristic of a perfectly competitive market?

A) Few sellers B) Differentiated products C) High barriers to entry D) Many buyers and sellers with identical products

39. The concept of 'shutting down' applies to which time horizon for a firm?

A) Short run only B) Long run only C) Both short run and long run D) Neither short run nor long run

40. Which of the following is a characteristic of monopolistic competition?

A) Products are identical B) Firms are price makers C) Many firms selling similar but differentiated products D) No control over price

41. The 'law of one price' is most closely associated with which market structure?

A) Monopoly B) Oligopoly C) Monopolistic Competition D) Perfect Competition

42. What is the primary difference between explicit and implicit costs?

A) Explicit costs are paid in cash, implicit costs are not. B) Explicit costs are variable, implicit costs are fixed. C) Explicit costs are short-run costs, implicit costs are long-run costs. D) Explicit costs are opportunity costs, implicit costs are not.

43. In the long run, under perfect competition, firms operate at the minimum point of which curve?

A) Marginal Cost (MC) B) Average Variable Cost (AVC) C) Average Total Cost (ATC) D) Total Cost (TC)

44. What situation describes the 'prisoner's dilemma' in game theory, often relevant to oligopolies?

A) Two firms cooperating to maximize joint profits B) Both firms choosing a strategy that leads to a worse outcome for both than if they had cooperated C) One firm dominating the market through aggressive pricing D) Firms competing solely on product quality

45. If a firm's Total Revenue exceeds its Total Cost, it is earning:

A) Economic Loss B) Accounting Profit C) Economic Profit D) Normal Profit

46. What are the two main components of Total Cost?

A) Fixed Cost and Marginal Cost B) Variable Cost and Marginal Cost C) Fixed Cost and Variable Cost D) Average Cost and Marginal Cost

47. A firm in a perfectly competitive market faces:

A) A downward-sloping demand curve B) A perfectly elastic demand curve C) A perfectly inelastic demand curve D) A kinked demand curve

48. Which market structure is characterized by a few dominant firms?

A) Monopoly B) Oligopoly C) Monopolistic Competition D) Perfect Competition

49. The condition MR=MC for profit maximization holds true for which market structures?

A) Perfect Competition only B) Monopoly only C) Oligopoly and Monopolistic Competition only D) All market structures (Perfect Competition, Monopoly, Oligopoly, Monopolistic Competition)

50. What does the term 'short run' mean in economics concerning production?

A) A period of less than one year B) A period where at least one factor of production is fixed C) A period where all factors of production are variable D) A period sufficient to exit the market

Production, Cost and Market Structures - Online Test

Test Results