πŸ“Š MicroEconomics, Theory and Applications 1
Q. If all resources used in the production of a product are increased by 20 percent and output increases by 20 percent, then there must be:
  • (A) economies of scale
  • (B) diseconomies of scale
  • (C) constant returns to scale
  • (D) increasing average total costs.
πŸ’¬ Discuss
βœ… Correct Answer: (C) constant returns to scale
πŸ“Š MicroEconomics, Theory and Applications 1
Q. The larger the diameter of a natural gas pipeline, the lower is the average total cost of transmitting 1,000 cubic feet of gas 1,000 miles. This is an example of:
  • (A) economies of scale
  • (B) normative economies
  • (C) diminishing marginal returns
  • (D) an increasing marginal product of labour
πŸ’¬ Discuss
βœ… Correct Answer: (A) economies of scale
πŸ“Š MicroEconomics, Theory and Applications 1
Q. When a firm doubles its inputs and finds that its output has more than doubled, this is known as:
  • (A) economies of scale
  • (B) constant returns to scale
  • (C) diseconomies of scale
  • (D) a violation of the law of diminishing returns
πŸ’¬ Discuss
βœ… Correct Answer: (A) economies of scale
πŸ“Š MicroEconomics, Theory and Applications 1
Q. A firm encountering economies of scale over some range of output will have a:
  • (A) rising long-run average cost curve
  • (B) falling long-run average cost curve
  • (C) constant long-run average cost curve
  • (D) rising, then falling, then rising long-run average cost curve
πŸ’¬ Discuss
βœ… Correct Answer: (B) falling long-run average cost curve
πŸ“Š MicroEconomics, Theory and Applications 1
Q. The firm’s short-run marginal-cost curve is increasing when:
  • (A) marginal product is increasing
  • (B) marginal product is decreasing
  • (C) total fixed cost is increasing
  • (D) average fixed cost is decreasing
πŸ’¬ Discuss
βœ… Correct Answer: (B) marginal product is decreasing
πŸ“Š MicroEconomics, Theory and Applications 1
Q. If a more efficient technology was discovered by a firm, there would be:
  • (A) an upward shift in the avc curve
  • (B) a downward shift in the afc curve
  • (C) an upward shift in the afc curve
  • (D) a downward shift in the mc curve
πŸ’¬ Discuss
βœ… Correct Answer: (D) a downward shift in the mc curve
Q. If the short-run average variable costs of production for a firm are rising, then this indicates that:
  • (A) average total costs are at a maximum
  • (B) average fixed costs are constant
  • (C) marginal costs are above average variable costs
  • (D) average variable costs are below average fixed costs
πŸ’¬ Discuss
βœ… Correct Answer: (C) marginal costs are above average variable costs