Economics 1.2 How Markets Work

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1. Which of these is the correct XED interpretation of tea and coffee?

  • Substitutes with a positive correlation
  • Substitutes with a negative correlation
  • Complements with a positive correlation
  • Compliments with a negative correlation
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Other questions in this quiz

2. What is consumer surplus?

  • The difference between the opportunity cost of purchase and the utility derived from consumption.
  • The difference between the price the customer is willing to pay and the price that they do pay.
  • The difference between the price the producer is willing to pay and the price they do pay.
  • The difference between the actual market price and the price that they were willing to supply at.

3. Which of these is the incentive function?

  • Gives consumers a signal to reduce demand and supplier to increase production.
  • Something that motivates producers or consumers to follow a course of action or to make a change.
  • Signals consumers to increase demand and suppliers to reduce production.
  • Whenever resources are particularly scarce, demand exceeds supply and prices are driven up.

4. Which of these is not a factor that influences PES?

  • How long production takes
  • How easy it is to stock pile supply
  • Pressure groups
  • Transferability of resources

5. Which of these is the correct formula to calculate XED?

  • %change in price of product A/ %change in quantity demanded of product B
  • %change in price of product B/ %change in quantity demanded of product A
  • %change in quantity demanded of product A/ %change in price of product B
  • %change in quantity demanded of product b/ %change in price of product A

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