Week 5: Consumer Producer Surplus
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Questions and Answers

What is the total consumer surplus calculated for Julie, Dean, and Kate based on their individual surpluses?

  • €29
  • €45
  • €15
  • €49 (correct)
  • What does consumer surplus represent in relation to the demand curve?

  • The area beneath the demand curve and above the price (correct)
  • The total profits made by producers
  • The area above the demand curve
  • The area between the equilibrium price and the quantity sold
  • Which formula correctly calculates the total consumer surplus at a price of €20 when the area is represented as a triangle?

  • ½(width x height)
  • ½(80 - 20) x 90
  • ½(80 x 20)
  • ½(90 x (80 - 20)) (correct)
  • What effect does a fall in the price of a good have on consumer surplus?

    <p>It increases consumer surplus through increased quantities sold and newfound buyers</p> Signup and view all the answers

    How is the height of the triangle used in calculating consumer surplus determined?

    <p>It is the difference between the highest consumer price and the market price</p> Signup and view all the answers

    What does consumer surplus represent?

    <p>The difference between market price and the price consumers would pay</p> Signup and view all the answers

    How is total consumer surplus calculated?

    <p>By summing the individual consumer surpluses of all buyers</p> Signup and view all the answers

    What happens to consumer surplus if the market price decreases?

    <p>It increases</p> Signup and view all the answers

    If Julie is willing to pay €59 for a book and the market price is €30, what is her consumer surplus?

    <p>€29</p> Signup and view all the answers

    Which of the following statements is true regarding individual and total consumer surplus?

    <p>The sum of individual consumer surpluses equals total consumer surplus</p> Signup and view all the answers

    What does a demand curve indicate about consumers' willingness to pay?

    <p>It shows that willingness to pay decreases with quantity</p> Signup and view all the answers

    If Dean's willingness to pay is €45 and the market price is €30, what is Dean's consumer surplus?

    <p>€15</p> Signup and view all the answers

    In a market where the price of a book is set at €30, who has the greatest consumer surplus?

    <p>Julie</p> Signup and view all the answers

    What is indicated when the demand curve is downward sloping?

    <p>Lower prices attract more consumers</p> Signup and view all the answers

    What happens to consumer surplus when the market price of used textbooks falls?

    <p>Consumer surplus only increases for some consumers.</p> Signup and view all the answers

    During World War II, why was a system of rationing implemented?

    <p>To ensure fair distribution among the population.</p> Signup and view all the answers

    How is consumer surplus defined?

    <p>The difference between the price a consumer is willing to pay and the actual price paid.</p> Signup and view all the answers

    What can be inferred about Anna’s consumer surplus if her maximum willingness to pay is significantly higher than the book's price?

    <p>Her consumer surplus is high.</p> Signup and view all the answers

    What insight does the concept of consumer surplus provide regarding purchases?

    <p>Purchases typically yield a net benefit to consumers.</p> Signup and view all the answers

    What is a potential consequence of government-regulated pricing during shortages?

    <p>Development of alternative, illegal market channels.</p> Signup and view all the answers

    What might the 'new buyers' indicated on the graph refer to?

    <p>Individuals purchasing computers for the first time after a price drop.</p> Signup and view all the answers

    If Nick's consumer surplus increases as the price of used textbooks falls from €30 to €20, what can be concluded?

    <p>Nick is gaining additional benefit from the price drop.</p> Signup and view all the answers

    What happens to producer surplus when the price of a good rises?

    <p>It increases through gains from original and new sellers.</p> Signup and view all the answers

    If the price of corn rose from $2 to $7 a bushel, what was likely a result of this change?

    <p>A rise in farmland prices.</p> Signup and view all the answers

    What is total surplus in a market?

    <p>The total net gain to consumers and producers from trading.</p> Signup and view all the answers

    What led to a surge in corn prices in the mid-2000s?

    <p>Increased demand for petrol containing ethanol.</p> Signup and view all the answers

    What is producer surplus?

    <p>The additional benefit producers receive when they sell at a higher price.</p> Signup and view all the answers

    How did higher prices for corn affect farmland value?

    <p>Increased farmland prices, making them more valuable.</p> Signup and view all the answers

    Which of the following represents a factor influencing the increase in producer surplus?

    <p>Original sellers' gains from price increases.</p> Signup and view all the answers

    Why are markets considered effective organizers of economic activity?

    <p>They generate total surplus by balancing consumer and producer interests.</p> Signup and view all the answers

    What is the primary reason why consumers and producers benefit from participating in a market economy?

    <p>There are gains from trade.</p> Signup and view all the answers

    Which statement correctly describes how market equilibrium maximizes total surplus?

    <p>It ensures all transactions are mutually beneficial.</p> Signup and view all the answers

    What is indicated by the willingness to pay in a market?

    <p>The buyer values the good highly.</p> Signup and view all the answers

    How does the market allocate sales among potential sellers?

    <p>It allocates to those with the lowest cost.</p> Signup and view all the answers

    What was one of the early successes of eBay after its founding in 1995?

    <p>A broken laser pointer sold for $14.83.</p> Signup and view all the answers

    Which of the following is a benefit of garage or car boot sales?

    <p>They enable trading between individuals for mutual gain.</p> Signup and view all the answers

    Which scenario illustrates potential buyers valuing the good less than potential sellers?

    <p>Buyers are uninterested in an overpriced item.</p> Signup and view all the answers

    What does market equilibrium ensure regarding potential buyers who do not make a purchase?

    <p>They value the good less than non-participating sellers.</p> Signup and view all the answers

    Study Notes

    Changes in Prices Affect Consumer Surplus

    • A decrease in the price of a good leads to an increase in consumer surplus
    • This happens because consumers who would have bought the good at the original price benefit from the lower price
    • Consumers who were not initially buying the good may also be persuaded to buy due to the lower price, further increasing consumer surplus

    Consumer Surplus and the Demand Curve

    • Consumer surplus is represented by the area under the demand curve and above the market price
    • The demand curve represents the willingness to pay for a good, with higher prices corresponding to lower quantities demanded
    • The area under the demand curve represents the total value consumers place on the good
    • The market price represents the actual amount consumers pay for the good
    • The difference between these two values represents the consumer surplus

    Changes in Producer Surplus

    • An increase in the price of a good leads to an increase in producer surplus
    • This happens because producers who would have sold the good at the original price benefit from the higher price
    • Producers who were not initially selling the good may also be persuaded to sell due to the higher price, further increasing producer surplus

    Total surplus

    • The total surplus in a market is the combined net gain from trading for consumers and producers
    • This is the sum of consumer surplus and producer surplus
    • Markets are an effective way to organize economic activity because they maximize the total surplus, which is the sum of consumer surplus and producer surplus

    Market Equilibrium and Total Surplus

    • Market equilibrium maximizes total surplus
    • In equilibrium, the quantity of goods consumed equals the quantity produced
    • The equilibrium price is the price that balances supply and demand
    • This allocation ensures that the goods go to those who value them the most and come from those who can produce them at the lowest cost
    • In equilibrium, every consumer who makes a purchase values the good more than every seller who makes a sale, making all transactions mutually beneficial
    • No mutually beneficial transactions are missed, as potential buyers who don’t purchase value the good less than potential sellers who don’t sell

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    Description

    This quiz explores the concepts of consumer and producer surplus, detailing how changes in prices affect these economic measures. You will learn about the relationship between demand curves, market prices, and consumer behavior. Test your understanding of how these factors influence overall market dynamics.

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