Microeconomics Concepts Quiz
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Questions and Answers

What is the formula for average total cost (ATC)?

  • The ratio of change in revenue to change in output
  • Price times quantity sold
  • Total cost (TC) divided by the number of units produced (correct)
  • Change in revenue divided by change in output

Under conditions of perfect competition, what is the relationship between price and marginal revenue (MR)?

  • Marginal revenue (MR) is greater than price
  • Price is identical to marginal revenue (MR) (correct)
  • There is no relationship between price and marginal revenue (MR)
  • Marginal revenue (MR) is less than price

What is the formula for economic profit?

  • Total revenue (TR) minus total economic cost (correct)
  • Total cost (TC) divided by the number of units produced
  • Total revenue (TR) minus total accounting cost
  • Price times quantity sold

What is the breakeven point for a firm in terms of output quantity?

<p>When average total cost (ATC) equals price (B)</p> Signup and view all the answers

What is the definition of economies of scale?

<p>Decreasing long-run cost per unit as output increases (D)</p> Signup and view all the answers

If the own-price elasticity of demand is equal to negative one, what can be concluded about the demand for the good?

<p>Demand is unit, or unitary, elastic (D)</p> Signup and view all the answers

What is the phenomenon that occurs when, as a good’s price falls, more of this good is substituted for other, more expensive goods?

<p>Substitution effect (D)</p> Signup and view all the answers

If income elasticity of demand is negative, what type of good does it indicate?

<p>Inferior good (C)</p> Signup and view all the answers

What does a positive cross-price elasticity of demand indicate about two goods?

<p>They are substitutes (A)</p> Signup and view all the answers

What does a negative income elasticity of demand indicate about a good?

<p>It is an inferior good (A)</p> Signup and view all the answers

What is the result of a decline in price on total expenditure if own-price elasticity of demand is greater than one in absolute terms?

<p>Total expenditure increases (B)</p> Signup and view all the answers

What is the phenomenon that occurs when, as a good’s price falls, more of this good is substituted for other, more expensive goods?

<p>Substitution effect (C)</p> Signup and view all the answers

What type of good does a negative income elasticity of demand indicate?

<p>Inferior good (D)</p> Signup and view all the answers

What can be concluded about the demand for a good if the own-price elasticity of demand is equal to negative one?

<p>Demand is unitary elastic (B)</p> Signup and view all the answers

What does a positive cross-price elasticity of demand indicate about two goods?

<p>They are substitutes (C)</p> Signup and view all the answers

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