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ECON 1011 Lecture Notes - Lecture 6: Demand Curve, Whopper, Quarter Pounder

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Verified Note
coralbee560
13 Sep 2018
School
GWU
Department
Economics
Course
ECON 1011
Professor
Daniel MacKay

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ECON 1011 Lecture Notes - Lecture 5: Poncho, Kfc, Normal Good

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ECON 1011 Lecture Notes - Lecture 6: Demand Curve, Whopper, Quarter Pounder

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ECON 1011 Lecture Notes - Lecture 7: Economic Surplus, Price Ceiling, Economic Equilibrium

Document Summary

Change in supply vs change in quantity supplied: change in quantity supplied is affected by change in number of consumers, change in supply is affected by changes in cost & number of firms. Shortage: pushes the price up, at /lbs, more people are willing to purchase tomatoes, creates a shortage of the good (when quantity of supply is lower than quantity of demand) Imagine a quarter pounder: equilibrium price at . 79, price of the whopper decreases, this would drive the price of the quarter pounder down and decrease the quantity sold due to the law of supply. Income increases: shifts demand curve outward (to the right, this increases the equilibrium price and increases the equilibrium quantity. 1: people see the success of pepsi and coke, number of firms in the market increases, this shifts the supply curve outward (to the right, this decreases the equilibrium price and increases the equilibrium quantity, eg.

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Related Questions

1. Market equilibrium occurs when

a. demand equals supply

b. quantity demanded equals quantity supplied

c. The consumer expectations match the producer's expectations

d. Efficiency and equal distribution are achieved 

 

2. If a surplus exists in a market, then

a. Price is above market equilibrium and quantity demanded is less than quantity supplied

b. Price is below market equilibrium and quantity demanded is less than quantity supplied

c. Price is above market equilibrium and quantity demanded is greater than quantity supplied

d. Price is below market equilibrium and quantity demanded is greater than quantity supplied

 

3. When the price falls below market equilibrium

a. A surplus occurs

b. A shortage occurs

c. There will be an increase in quantity supplied

d. There will be a leftward shift of the supply curve

 

The primary difference between a change in supply and a change in the quantity supplied is:
Choose one answer.
a. a change in quantity supplied is a shift in the supply curve, and a change in supply is a movement along the supply curve.
b. both a change in quantity supplied and a change in supply are movements along the supply curve, only in different directions.
c. a change in quantity supplied is a movement along the supply curve, and a change in supply is a shift of the supply curve.
d. a change in supply is a movement to the left along the supply curve and a change in quantity supplied is a movement to the right along the supply curve.

Question 2
What is the difference between a shortage and scarcity?
Choose one answer.
a. Scarcity will always exist because choices must be made, but a shortage will only exist if the price is kept below the equilibrium level.
b. Scarcity is a result of two or more alternative uses and will always exist, and quantities of supply and demand adjusting to flexible prices will create shortages.
c. A surplus will exist when a good is scarce; a shortage merely implies that there isn't as much of something as people would like, which is nearly always the case.
d. There is no distinction between the two. They are the same thing.

Question 3
A decrease in supply means:
Choose one answer.
a. a shift to the left of the entire supply curve.
b. moving downward (to the left) along the supply curve with lower prices.
c. less will be demanded at every price.
d. more will be supplied at every price.

Question 4
A decrease in demand, with no change in supply, will lead to ________ in equilibrium quantity and ________ in equilibrium price.
Choose one answer.
a. an increase; an increase
b. an increase; a decrease
c. a decrease; an increase
d. a decrease; a decrease

Question 5
After graduation from college you will receive a substantial increase in your income from a new job. If you decide that you will purchase more T-bone steak and less hamburger, then for you hamburger would be considered a( n ):
Choose one answer.
a. normal good.
b. substitute good.
c. complementary good.
d. inferior good.

Question 6
There is equilibrium in the market when:
Choose one answer.
a. there is no shortage.
b. there is no surplus.
c. price is established where the supply curve and the demand curve intersect.
d. all of the above are true.

Question 7
Which would not cause the supply curve to shift?
Choose one answer.
a. a change in technology
b. a change in factor costs
c. a change in the price of the good
d. a change in the prices of related goods

Question 8
Given that meat and potatoes are complementary goods, if the price of meat decreases substantially, there would be:
Choose one answer.
a. an increase in the demand for potatoes.
b. an increase in the quantity of potatoes demanded.
c. a decrease in the demand for potatoes.
d. no change in the demand for potatoes.

Question 9
Given that milk and cookies are complements, suppose the price of flour (an ingredient in cookies) rises. What happens in the market for milk?
Choose one answer.
a. The equilibrium price and quantity rise.
b. The equilibrium price rises and the equilibrium quantity falls.
c. The equilibrium price and quantity fall.
d. The equilibrium price falls and the equilibrium quantity rises.

Question 10



A temporary price of $2 in this market would result in:
Choose one answer.
a. a surplus of 8,000 bushels.
b. a shortage of 8,000 bushels.
c. a shortage of 10,000 bushels.
d. a surplus of 10,000 bushels.

Question 11
The price of oranges rises. What happens in the market for apples, which are a substitute for oranges?
Choose one answer.
a. The equilibrium price falls, and the equilibrium quantity rises.
b. The equilibrium price rises, and the equilibrium quantity falls.
c. The equilibrium price and quantity rise.
d. The equilibrium price and quantity fall.

Question 12
A market surplus occurs if the:
Choose one answer.
a. price is below the equilibrium price.
b. price is equal to the equilibrium price.
c. equilibrium price is above the actual price.
d. equilibrium price is below the actual price.

1. A change in quantity supplied:

A. refers to a shift in the supply curve.

B. results from a change in a determinant of supply.

C. refers to a movement along a given supply curve.

D. is caused by a change in the number of sellers in the industry.

 

2. Which one of the following would most likely cause the supply curve for microwaves to shift to the right:

A. a decrease in the price of microwaves.

B. an increase in the wage rate earned by workers who produce microwaves.

C. a decrease in consumer preferences for microwaves.

D. an increase in the number of firms that produce microwaves

 

3. If the actual price sellers are pricing their goods at is currently above the equilibrium price. There is a ____________. Therefore, we would expect sellers to ____________ the price until the market reaches equilibrium.

A.

surplus; raise
B.

surplus; lower
C.

shortage; raise
 

D. shortage; lower

4. Suppose the demand and the supply of wine both increase. The net effect of these changes in demand and supply will be

A

an increase in equilibrium quantity, but a decrease in equilibrium price.
B

an increase in equilibrium price and quantity.
C.

an increase in equilibrium price, but the change in equilibrium quantity is indeterminate.
D.

an increase in equilibrium quantity, but the change in equilibrium price is indeterminate.