ECON 160 Lecture Notes - Lecture 4: Frozen Yogurt, Normal Good, Demand Curve

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6 Sep 2016

School

Binghamton University

Department

Economics

Course

ECON 160

Professor

Ritam Chaurey

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Document Summary

Chapter 4: market forces of demand and supply. Market (for a particular good): a group of buyers and sellers for a particular good. Competitive market: many buyers and sellers; no buyers or seller has market power. Many buyers and sellers, each one has negotiable impact in price. Buyer: one buyer can"t change price; price takers: seller can sell to someone willing to pay the higher price. Quantity demanded: for any good is the amount of good that buyers are willing and able to purchase: must be able there may not be enough. Law of demand: other things are equal; when the price of a good increases, the quantity demanded for that good decreases: negative relationship between price and quantity demanded, demand schedule: table showing prices and quantity demanded. Market: sum of individuals in the market. Market dd curve: sum of the individual quantities demanded at each price.

Related Questions

The following table contains the demand schedule and supply schedule for a market for a particular good. Suppose sellers of the good successfully lobby Congress to impose a price ﬂoor $3 above the equilibrium price in this market.

Price	Quantity Demanded	Quantity Supplied
$0	15	0
$1	13	3
$2	11	6
$3	9	9
$4	7	12
$5	5	15
$6	3	18

Following the imposition of a price floor $3 above the equilibrium price, irate buyers convince Congress to repeal the price ﬂoor and to impose a price ceiling $1 below the former price ﬂoor. The resulting market price is

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1)The law of demand states that as the price of a good rise, _____.

A. buyers purchase more of the good because the price of a substitute has risen.

B. buyers purchase less of the good because their real income decreases with an increase in price.

C. buyers purchase more of the good because they expect prices to be even higher in the future

D. buyers purchase less of the good because they expect prices to fall in the future.

2) A movement along a demand curve can be attributed to a change in:

A. the quantity demanded of a good.

B. the demand for a good.

C. the substitution effect of consuming a good.

D. the opportunity cost of producing a good.

3) If we say that demand for a good has increased, we mean that there has been:

A. a leftward shift of the demand curve.

B. a rightward shift of the demand curve.

C. a leftward movement along the demand curve.

D. a rightward movement along the demand curve.

4) Which of the following will cause the demand curve for a normal good to shift to the right?

A. An increase in the price of a complementary good.

B. A decrease in income.

C. A decrease in the price of the good.

D. An increase in the price of a substitute good.

5)Which of the following best defines supply?

A. The amount of a good that is produced at the least possible cost, other things constant

B. The amount of a good that producers are willing and able to sell at each possible price, other things constant.

C. The amount of a good that consumers want to buy at different income levels

D. The amount of a good that producers want to sell at a fixed price

6)The market supply curve of a particular product indicates the total quantities:

A. that are actually sold during a given time period.

B. that sellers are willing to offer for sale at a fixed price.

C. that buyers are willing to purchase at alternative prices.

D. that sellers are willing and able to offer at alternative prices.

7)When quantity demanded of a good exceeds the quantity supplied at the prevailing market price, _____.

A. the demand curve shifts rightward until the surplus is eliminated

B. the market is in equilibrium.

C. the price of the good will tend to increase.

D. the price of the good will decrease

8)A shortage of textbooks is most likely to cause:

A. an increase in the price of textbooks.

B. a decrease in the supply of textbooks.

C. a decrease in the price of paper.

D. an increase in the cost of printing.

9)The most important characteristic of the equilibrium price is that it:

A. maximizes the quantity demanded.

B. clears the market, leaving neither a surplus nor a shortage.

C. minimizes the quantity demanded.

D. guarantees that producers earn the profit.

10)If both demand and supply increases in a market that is initially in equilibrium, the price will:

A. increase only if demand increases more than supply.

B. increase only if supply increases more than demand.

C. remain unchanged while quantity will increase.

D. remain unchanged while quantity will decrease.

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1 Other things remaining the same, a left shift in the supply curve will lead to:

A. a decrease in the equilibrium price and the equilibrium quantity.

B. an increase in the equilibrium price and the equilibrium quantity.

C. an increase in the equilibrium price and a decrease in the equilibrium quantity.

D. a decrease in the equilibrium price and an increase in the equilibrium quantity.

2 Two goods are said to be complements when a fall in the price of one good:

A. leads to a fall in price of the other good.

B. leads to a left shift in the demand for the other good.

C. leads to a right shift in the demand for the other good.

D. doesn't affect the demand for the other good.

3 In a competitive free market:

A. all exchanges take place involuntarily.

B. there is no provision for the protection of property rights.

C. there is only one seller and many buyers.

D. the government does not impose price controls.

4 Which of the following correctly explains the role of economic agents in a free market?

A. Economic agents allocate goods to those buyers who value the goods the most.

B. Economic agents allocate goods to those buyers who need the goods the most.

C. Economic agents set production quotas for sellers in the market.

D. Economic agents set prices according to the production cost of each good.

5 Which of the following was an effect of the price ceiling placed on gasoline in the U.S. in the 1970s?

A. Gas stations ran out of gas as the quantity of gas demanded exceeded the quantity supplied.

B. Car owners started buying luxury cars that were less fuel-efficient as the price of gas was very low.

C. Those who valued gas the most were able to buy gas under the price ceiling.

D. The inventory of unsold gas increased and gas stations incurred losses.

6 Willingness to accept is:

A. the highest price that a producer is willing to receive to sell an extra unit of a good.

B. always higher than the marginal cost of production.

C. always lower than the marginal cost of production.

D. the lowest price that a producer is willing to receive to sell an extra unit of a good.

7 Assume that the economy is in a recession and consumers are expecting a fall in their income levels. This will cause a(n):

A. right shift in the market demand for all goods.

B. left shift in the market demand for all goods.

C. an increase in the total quantity demanded of all goods.

D. decrease in the total quantity demanded of all goods.

8 Which of the following factors is expected to cause the demand curve for coffee to shift to the right?

A. A higher personal tax on the income of all consumers

B. An increase in the supply of coffee due to better weather

C. A higher tax on the sale of tea, a substitute for coffee

D. A fall in the manufacturing cost of coffee

9 If the demand and supply curves for a commodity shift to the right and the shift in demand is greater than the shift in supply, then in comparison to the initial equilibrium, the new equilibrium will be characterized by:

A. the same price and quantity.

B. a lower price and quantity.

C. a higher price and a lower quantity.

D. a higher price and quantity.

10 Which of the following statements correctly describes a perfectly competitive market?

A. Haggling and bargaining are commonly observed in a perfectly competitive market.

B. Buyers in a perfectly competitive market pay different prices according to their individual demand.

C. In a perfectly competitive market, individual sellers and buyers can influence the market price.

D. All participants in a perfectly competitive market are price-takers.

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ECON 160 Lecture Notes - Lecture 4: Frozen Yogurt, Normal Good, Demand Curve

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