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In the local market for coffee, if a newly opened Starbucks competes with two local coffee shops (the Java Joint and Cup O Joe) , the _____ curve shifts to the _____.


A) supply; right
B) demand; left
C) supply; left
D) demand; right

E) A) and B)
F) C) and D)

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(Figure: Change in Supply) There are four gas stations in your town. Which graph shows the effect on the local supply curve for gasoline if one of them shuts down? ​ (Figure: Change in Supply)  There are four gas stations in your town. Which graph shows the effect on the local supply curve for gasoline if one of them shuts down? ​    A) Graph A B) Graph B C) Graph C D) Graph D


A) Graph A
B) Graph B
C) Graph C
D) Graph D

E) All of the above
F) C) and D)

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(Figure: Market for New Housing in Dubai) Which graph shows the effect on the supply curve for new housing in Dubai, if economists predict a decrease in demand for new housing? ​ (Figure: Market for New Housing in Dubai)  Which graph shows the effect on the supply curve for new housing in Dubai, if economists predict a decrease in demand for new housing? ​    A) Graph A B) Graph B C) Graph C D) Graph D


A) Graph A
B) Graph B
C) Graph C
D) Graph D

E) B) and D)
F) B) and C)

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Which of the following scenarios describes a business that is NOT following the law of supply?


A) The higher the price of custom-made cakes in the market, the more Manfred is willing to bake and sell cakes.
B) Delilah is less willing to chauffeur people to the airport when the price of airport rides falls.
C) Automobiles fall in price, and Maria's Autorama Ltd. is now willing to sell more vehicles.
D) When the price of car detailing rises, Ermo's Auto Garage hires more workers to do car detailing.

E) A) and D)
F) A) and C)

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Which of the following scenarios depicts a seller who is following the Rational Rule for Sellers?


A) American Airlines determines the marginal cost of an extra passenger to be $75 and sells a discount seat for $250.
B) Andy's Diner finds that the marginal cost of a fish and chips meal is $7 and lists the item for sale at $6.50.
C) An auto-rickshaw driver in New Delhi, India, calculates a trip to have a marginal cost of 350 rupees and accepts a ride request for 315 rupees.
D) Mindy sets up a lemonade stand and calculates the cost of an additional cup of lemonade at 50 cents, and sells it for 25 cents.

E) B) and C)
F) A) and B)

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In the market for chimichangas, which factor would NOT shift the supply curve to the right?


A) an increase in the price of beef
B) an increase in the wages of chimichanga shop workers
C) fewer chimichanga shops
D) a decrease in the price of chimichangas

E) All of the above
F) A) and D)

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Assuming that farmers can easily stock beef or pork, if the price of beef decreases, you can expect the:


A) supply of pork to increase.
B) quantity of pork supplied to increase.
C) quantity of pork supplied to decrease.
D) supply curve for pork to shift to the left.

E) B) and C)
F) All of the above

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Consider the supply of chicken patties at a chicken-processing plant. Holding all else constant, for each of the following, identify whether the market would experience a change in quantity supplied or a change in supply, and specify the direction of the change. (i) Raw chicken can now be acquired at lower prices. (ii) There is only one producer of chicken patties, but several new producers of chicken patties enter the market. (iii) The demand for chicken patties increases.

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Which event shifts the supply curve for mint chocolate chip ice cream to the left?


A) an increase in income, if ice cream is a normal good
B) a decrease in the price of strawberry ice cream, a substitute for mint chocolate chip ice cream
C) a decrease in the price of ice cream
D) an increase in the price of cream, an ingredient in ice cream

E) B) and D)
F) A) and D)

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If the price of jet fuel rises, the


A) supply of airline flights increases.
B) supply of jet fuel decreases.
C) supply of jet fuel increases.
D) quantity supplied of jet fuel increases.

E) C) and D)
F) A) and B)

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Butter and ghee (clarified butter) are substitutes in production. What would happen to the supply curve for butter and the supply curve for ghee if the price of butter falls? Show your answer using two graphs - one for butter and the other for ghee.

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A beach resort in Bali builds 24 villas with private pools. They also establish two restaurants using state-of-the-art equipment (such as multipurpose ovens, freezers, and food processors) . Meals are prepared using organic, locally sourced vegetables and meat. The hotel also uses water from the town supplier. Based on this scenario, what are the variable costs for the beach resort?


A) Organic vegetables and water.
B) Multipurpose ovens and freezers.
C) Food processors.
D) The construction of the villas.

E) A) and C)
F) A) and D)

Correct Answer

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An increase in the supply of coffee beans means:


A) a shift to the right of the entire supply curve for coffee beans.
B) a movement up the supply curve as the price of coffee beans rises.
C) that fewer coffee beans will be demanded at every price.
D) that fewer coffee beans will be supplied at every price.

E) None of the above
F) A) and B)

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Consider the data in the table. The price of gasoline is $3.99 per gallon at the gas station. If Rexhall Fuel Supplies is a rational seller, how many gallons of gasoline should this seller be willing to sell? Consider the data in the table. The price of gasoline is $3.99 per gallon at the gas station. If Rexhall Fuel Supplies is a rational seller, how many gallons of gasoline should this seller be willing to sell?   A) 14 million gallons per week B) 30 million gallons per week C) 20 million gallons per week D) 42 million gallons per week


A) 14 million gallons per week
B) 30 million gallons per week
C) 20 million gallons per week
D) 42 million gallons per week

E) All of the above
F) C) and D)

Correct Answer

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If expected future profits in an industry rise


A) the number of sellers in the market does not change.
B) supply will shift right.
C) supply will shift left.
D) supply is not affected.

E) B) and C)
F) A) and D)

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German firms import machinery from the UK. What will happen to the supply of German goods manufactured using machinery from the UK, if the value of the euro rises against the British pound?


A) The quantity supplied will rise.
B) The supply curve will shift to the left.
C) The supply curve will shift to the right.
D) There will be no effect on the supply.

E) B) and C)
F) A) and D)

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(Figure: Market for Tropicana Juices) Tropicana produces both orange juice and lemonade. What will happen to the supply of Tropicana orange juice when the price of lemonade rises in the market and the price of orange juice stays the same? ​ (Figure: Market for Tropicana Juices)  Tropicana produces both orange juice and lemonade. What will happen to the supply of Tropicana orange juice when the price of lemonade rises in the market and the price of orange juice stays the same? ​    A) Graph A B) Graph B C) Graph C D) Graph D


A) Graph A
B) Graph B
C) Graph C
D) Graph D

E) A) and C)
F) A) and D)

Correct Answer

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(Figure: Graph) In the graph, the movement from point E to point F represents (Figure: Graph)  In the graph, the movement from point E to point F represents   A) a decrease in supply. B) a decrease in quantity supplied. C) an increase in quantity supplied. D) an increase in supply.


A) a decrease in supply.
B) a decrease in quantity supplied.
C) an increase in quantity supplied.
D) an increase in supply.

E) All of the above
F) A) and B)

Correct Answer

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Lenovo produces laptops and tablets. What would happen to the supply curve for laptops and the supply curve for tablets if the price of laptops falls significantly? Show your answer using two graphs - one for laptops and one for tablets.

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Why are economists so particular about the difference between an increase in quantity supplied and an increase in supply? Aren't they the same thing?

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