每日答題系列集中串

題目Which of the following would be most likely to cause the demand for cheese to shift from D0 to D1?

答案:C

題目for implicit function 2xy+ex-y-2=01 dy/dx|(0,ln2)

答案:B  -1-ln2

題目Producer surplus is the :

答案:A  difference between revenue and variable cost of production..

題目(In C) int x=1; if (x=2) x=3; the value of x is ____.

答案: D， 3

題目Consumer surplus is:

TIPS: 這題目問的是經濟盈餘(消費者剩餘)

答案:B ,the difference between the price one is willing to pay and the price one has to pay

題目Suppose there are only two firms supplying in the market and they produce a homogeneous good. Two firms produce the good with the same constant marginal cost. Firms compete by setting price simultaneously . The equilibrium price of both firms must

正解應該是  equal to the marginal cost.

題目The price elasticity of demand for cigarettes is 0.4. If government wants to reduce smoking by 10 percent, by how much should it raise the price of cigarettes?   The answer is_____

(A) by 25 percent

(B) by 50 percent

(C) by 10 percent

(D) by 20 percent

答案:A, by25 percent

題目Which paradigm most accurately describes BASIC?

答案:A, Imperative or procedural

題目What would happen to the equilibrium price and quantity of coffee if the wages of coffee-bean pickers fell and the price of tea fell?

答案:A, Price will fall and the effect on quantity is ambiguous

題目Nick can purchase each milkshake for $2. For the first milkshake purchased Nick is willing to pay $4, for the second milkshake $3, for the third milkshake $2 and for the fourth milkshake $1. What is the value of Nick's consumer surplus?

算法應該是2+1+1-1=3

答案:C ,3

【題目】 If resources are used efficiently, then _____.

如果資源得到有效利用，則_____。

   消費者剩餘加上生產者剩餘最大化~

答案:A ,consumer surplus plus producer surplus is maximized

題目Which of the following is an imperative programming language?

答案: D ,Ada

題目Suppose A, B and C are three points on a Linear demand as in the figure below. The comparison of price elasticities is

答案:B , A>B>C

題目CDC character set contains 64 characters, To represent any possible 10 character string needs at least

答案: D,60Bits

題目The kinked demand curve model assumes that a firm's rivals will

答案:C,follow the firm's price decreases but not its price increases.

題目Two goods are complements if a decrease in the price of one good

答案:C,increases the demand for the other good.

題目A competitive firm will tend to expand its output so long as:

答案:B,Marginal revenues is greater than marginal cost.

題目If a price increase of 5 percent increases the quantity demanded of another good by 2 percent, the goods must be and the cross elasticity of demand equals

答案: D,substitutes; 0.4.

【題目】Q：Suppose the demand and supply functions for a certain goods are givenby:

QD=10-P

QS=P-4

Find the total economic surplus generated at the market equilibrium

A：  6.0

B： 10.5

C：  4.5

D：  9.0

【解答】：D   9.0

題目Economic Scarcity arises from?

答案：D limited resources and expanding wants.

題目The supply curve for a good or service shows the sellers’

答案：B ,minimun accptable price.

題目A multitasking operating system developed in the early 1970s at Bell Laboratories

答案：C ,UNIX

題目The prisoners’ dilemma is a simple game in which：

答案：C ,both parties are made worse off by follwing their own self-interests

題目The fallacy of composition is evident in which of the following statements?

答案：B ,If each farmer works harder all farmers will be richer.

題目What kind of virus is typically hidden in MS word file?

答案：C ,macro

題目Suppose that the price of eggs increases from 75 cents to $1.00 per dozen and as a result a typical farmer experiences a decrease in egg sales from 300 to 200 dozen per week. Using the method of average values, the price elasticity of demand is

答案：A ,1.4

題目When marginal profit equals zero.

答案：C ,profit is maximized.

A simple linear demand function may be stated as Q = a - bP +cI where Q is quantity demanded, P is the product price, and I is consumerincome. To compute an appropriate value for c, we can use observed values for Q and I and then setthe estimated income elasticity of demand equal to:

答案：C , c(I/Q)

【題目】 If the market price is higher than the equilibrium price.
  a surplus exists and the market price will fall until it equals the equilibrium price and the surplus is eliminated.
  a shortage exists and the equilibrium price will rise until it equals the market price and the shortage is eliminated.
  a shortage exists and the market price will fall until it equals the equilibrium price and the shortage is eliminated.
  a surplus exists and the equilibrium price will rise until it equals the market price and the surplus is eliminated.
答案:A

If a good is produced using inputs for which there are no substitutes, the good's
  elasticity of supply is likely to be large.
  elasticity of demand will be large.
  elasticity of demand will be small.
  elasticity of supply is likely to be small.
答案D elasticity of supply is likely to be small. 

Suppose the price elasticity of demand for oil is 0.1. price elasticity of supply for oil is 0. In order to lower the price of oil by 20 percent, the quantity of oil supplied must be increased by
  20 percent.
  200 percent.
  2 percent.
  0.2 percent.

【題目】 (甲)子夏問曰：「『巧笑倩兮，美目盼兮，素以為絢兮。』何謂也？」子曰：「繪事後素。」曰：「禮後乎？」子曰：「起予者商也！始可與言《詩》已矣。」(乙)子夏曰：「日知其 所亡，月無忘其所能，可謂好學也已矣。」根據這兩段引文，子夏應列在孔門四科中的哪一科
  言語
  德行
  政事
文學

Let 2X^2Y-4Y^3=4 and find the value of point (2,1)Y''
A 0
B -13
C -15
D 10
答案C

【題目】 Levi’s jeans sell for $100 a pair. Suppose at the profit maximizing quantity, Levi’s average total cost was $110 and Average variable cost was $55, which statement is true?
  Levi’s will produce in the short run but go out of business in the long run
  Levi’s will shut down in the short run and go out of business in the long run
  Levi’s will not produce in the short run and n in the long run
  Levi’s will produce in the short and long run

Levi’s will produce in the short run but go out of business in the long run

【題目】 When demand increases and supply decreases, the
  equilibrium quantity decreases, and the equilibrium price might rise, fall, or remain constant.
  equilibrium quantity increases, and the equilibrium price might rise, fall, or remain constant.
  equilibrium price falls, and the equilibrium quantity might increase, decrease, or remain constant.
  equilibrium price rises, and the equilibrium quantity might increase, decrease, or remain constant.
答案:
  equilibrium price rises, and the equilibrium quantity might increase, decrease, or remain constant.

【題目】 If the price of the Walkman is below the equilibrium price, there will be a _______ of Walkmans and the price will _______.
  surplus; fall
  surplus; rise
  shortage; fall
  shortage; rise
答案:
  shortage; rise

【題目】 Converting from type ____ to type ____ will result in the loss of data.
  short, long
  bool, char
  float, double
  int, char
答案:
  int, char

【題目】 What kind of virus is typically hidden in MS word file?
A: Boot Strap Sector
B:Trojan
C: worm
D: macro

答案:  D         macro

The owner of a local hot dog stand has estimated that if he lowers the price of hot dogs from $2.00 to $1.50, he will increase sales from 400 to 500 hot dogs per day. Using the midpoint formula, the demand for hot dogs is
ANS：inelastic.

【題目】 If a good is produced using inputs for which there are no substitutes, the good's
  elasticity of demand will be small.
  elasticity of supply is likely to be small.
  elasticity of supply is likely to be large.
  elasticity of demand will be large.
答案:elasticity of supply is likely to be small.

【題目】  The figure shows the market for books before and after a sales tax is introduced. The tax on books is ____          abook, buyers pay ____ of tax per book, and the governments tax revenue is ____.

答案:  $1.20; $0.80; $12

【題目】 Raisin bran and milk are complementary goods. A decrease in the price of raisins will
  decrease consumer surplus in the market for raisin bran and increase producer surplus in the market for milk.
  decrease consumer surplus in the market for raisin bran and decrease producer surplus in the market for milk.
  increase consumer surplus in the market for raisin bran and increase producer surplus in the market for milk.
  increase consumer surplus in the market for raisin bran and decrease producer surplus in the market for milk.
答案:increase consumer surplus in the market for raisin bran and increase producer surplus in the market for milk

If price exceeds average costs under pure competition, ____ firms will enter the industry, supply will ____, and price will be driven ____.Selected

Answer: more; increase; down

【題目】 The demand for a product tends to be inelastic if.

答案： a small proportion of consumer's income is spent on the good.

題目The statement “An increase in the price of gasoLine will lead to a decrease in the amount purchases” is

答案:  a positive statement.

題目:Which of the following statement is normative？

答案:  Higher taxes are needed to support education.

【題目】 Which paradigm most accurately describes BASIC?
  Imperative or procedural
  Logic
  Object oriented
  Functional

答案Imperative

【題目】Crude oil can be refined into home heating oil or gasoline. If very cold weather caused the price of home heating oil to increase, then
  the supply of gasoline would increase.
  the equilibrium price of gasoline would rise. (Ans)
  the demand of gasoline would decrease.
  the supply of home heating oil would decrease.

【題目】 Suppose the price of a good rises. When will the resulting substitution effect reduce the quantity demanded of the good?
  Only when the good is normal.
  Whenever the good is a non-Giffen good.
  Only when the good is inferior.
  Always.

【題目】 The supply curve for a good or service shows the sellers’

  maximum acceptable price.
  average acceptable price.
  target price.
  minimum acceptable price.

答案  minimum acceptable price.

【題目】 Which of the following statements is true? Oligopolists :
  Will consider the potential response of its rivals when making business decisions.
  all of the above.
  tend to produce the monopoly output and sell at the monopoly price when they are able to collude .
  behave interdependently.

答案:  all of the above.

【題目】 「Last October, due to an early frost, the price for a pumpkin increased by 10 percent.As a result, the quantity demanded decreased from 2 million to 1.5 million.」 Based on this statement, the
  demand for pumpkins is inelastic.
  demand for pumpkins is elastic.
  demand for pumpkins is unit elastic.
  demand curve for pumpkins shifted rightward.
答案:   demand for pumpkins is elastic.

題目
Under which of the following conditions would the interdiction of illegal drugs result in a decrease in the quantity of drugs sold and in a decrease in total spending on illegal drugs by drug users?

【題目】Let A = J e1(1nx)2 dx ， then

答案:
0 < A < 1

【題目】Q：Suppose the demand and supply functions for a certain goods are given
by:
QD=10-P
QS=P-4
Find the total economic surplus generated at the market equilibrium
A：  6.0
B： 10.5
C：  4.5
D：  9.0
【解答】：D   9.0

【題目】The expansion of capital that can occur in the long-run but not in the short-run, means that the long-run supply is

答案:more elastic than the short-run supply curve.

【題目】 A competitive firm will tend to expand its output so long as:
  Marginal cost is less than average cost.
  Marginal revenues is greater than marginal cost.
  Marginal revenues is greater than the average cost.
  Marginal revenues is positive.
答案:  Marginal revenues is greater than marginal cost.

【題目】 What would happen to the equilibrium price and quantity of coffee if the wages of coffee-bean pickers fell and the price of tea fell?
  Quantity will fall and the effect on price is ambiguous.
  Quantity will rise and the effect on price is ambiguous.
  Price will rise and the effect on quantity is ambiguous.
  Price will fall and the effect on quantity is ambiguous.

答案 d Price will fall and the effect on quantity is ambiguous 

【題目】Q：The kinked demand curve model was developed to help explain.
  fluctuations of prices in pure competition.
  rigidities in prices in oligopolistic industries.
  none of the above.
  fluctuations in prices in oligopolistic industries.

【解答】A：rigidities in prices in oligopolistic industries.

【題目】 for the function f(X)=3√x(x-7)²
which of the following statements are true ?
  f (0) = 0 is a relative minimum
  f (x) is differentiable everywhere
  f (7) = 0 is a relative minimum
  f (x) has no relative maximum

答案C

【題目】Q： The most fundamentaleconomic problem is
A： reducing unemployment.
B： health and health care.
C：decreasing the inflation rate.
D： scarcity.
【解答】： D： scarcity.

題目A short piece of information used to authenticate a message is commonly referred to as
MAC
hash
digest
stub
答案:MAC

Which of the following system is used to manage information about customers, interact with customers, and to improve a company's relationship with its customers?
答案 CRM

The demand for Chocolate Chip Cookie ice cream is likely quite elastic because
答案 other flavors of ice cream are good substitutes for this particular flavor.

【題目】A simple linear demand function may be stated as Q = a - bP +cI where Q is quantity demanded, P is the product price, and I is consumerincome. To compute an appropriate value for c, we can use observed values for Q and I and then setthe estimated income elasticity of demand equal to:

c(I/Q)

c(Q/I)

-b(I/Q)

Q/(cI)

答案:  c(I/Q)

【題目】 Which of the following factors would not cause the demand curve for a given product to shift?

答案: Changes in price.

Which of the following system is used to manage information about customers, interact with customers, and to improve a company's relationship with its customers?
以下哪個系統用於管理有關客戶的信息，與客戶互動以及改善公司與客戶的關係？
答案 CRM<D>客戶關係管理

【題目】 The price elasticity of demand for cigarettes is 0.4. If government wants to reduce smoking by 10 percent, by how much should it raise the price of cigarettes by imposing a tax?
  by 50 percent
  by 20 percent
  by 10 percent
  by 25 percent 答案

題目】 If a fall in the price of good A increases the quantity demanded of good B,如果商品A的價格下跌增加了商品B的需求量，
  B is a substitute for A, but A is a complement to B B替代A，但A替代B
  A and B are complements    A和B是補碼
  A is a substitute for B, but B is a complement to A A替代B，但B替代A
  A and B are substitutes  A和B是替代品

【題目】
Which of the following acronyms refers to ports on laptop computer that accept small cards that server as expansion boards?  
答案:  PCMCIA

【題目】 A decrease in the supply
  raises its equilibrium price and decreases its equilibrium quantity.
  lowers its equilibrium price and increases its equilibrium quantity.
  decreases both its equilibrium price and its equilibrium quantity.
  increases both its equilibrium price and its equilibrium quantity.
答案  raises its equilibrium price and decreases its equilibrium quantity.

【題目】Assume that we have a demand curve of the form.log(Q)=a-b×log(P)+c×log(I), where Q=quantity, P=price, I=income, and a, b, and c are positive constants. The income and price elasticities for the demand curve represented above are always

答案: constant.

【題目】Suppose the price elasticity of demand for tickets of Taiwan High Speed Railway(THSR) is 1.5. Ceteris paribus, when THSR reduces its prices, its revenue

【題目】 Each standard library has a corresponding:
  Variable type
  Function
  Cd-rom
  Header file
答案   Header file

【題目】Bonds that have an option exercisable by the issuer to retire them at a stated dollar amount prior to maturity are known as:

答案: Callable bonds.

If cigarettes and marijuana had been found to be substitutes, a tax placed on cigarettes would
答案: increase the demand for marijuana.

【題目】Q： Suppose the price elasticity of demand for tickets of Taiwan High Speed Railway (THSR) is 1.5.Ceteris paribus, when THSR reduces its prices, its revenue
A： will go down.
B： will remain the same.
C： will go up.
D： may go up or down.
【解答】：C   will go up.

Let A be the area between the curves y = sin x and y = sin 2x from x = 0 to x = π 。then
答案: 2 < A < 3.

You are an economist for the Taipei City Subway Commission. Presently, the price of a subway ride is $80, and 250,000 seats are filled weekly. The income elasticity of demand is -0.60. If a recession lowered area incomes by 5％, how many additional seats per week would the subway need?
答案  7,500 seats

In long-run equilibrium of a competitive market, the number of firms in the markets adjusts so that all of the market demand is satisfied at a price equal to
答案 minimum average total cost

【題目】 The figure shows the market for books before and after a sales tax is introduced. The tax on books is ____ a book, buyers pay ____ of tax per book, and the governments tax revenue is ____.

答案  $1.20; $0.80; $12

【題目】：Which of the following is the amount a person would invest now to receive a greater amount in the future?
A： Stated interest rate
B： Present value
C： Future value
D： Market interest rate
【解答】：B： Present value

【題目】Q： The most fundamentaleconomic problem is
A： reducing unemployment.
B： health and health care.
C：decreasing the inflation rate.
D： scarcity.
【解答】： D： scarcity.

【題目】 For a good that is a necessity,
  its price elasticity equals one.
  the law of demand often does not apply.
  quantity demanded tends to respond substantially to a change in price.
  demand tends to be inelastic.
答案   demand tends to be inelastic.

【題目】： If the quantity demanded increase as peoples incomes increase, the result of
A： a substitute.
B： a complement.
C： an inferior good.
D： a normal good.
【解答】：D： a normal good. The statement “An increase in the price of gasoLine will lead to a decrease in the amount purchases” is
a positive statement.

【題目】 Nick can purchase each milkshake for $2. For the first milkshake purchased Nick is willing to pay $4, for the second milkshake $3, for the third milkshake $2 and for the fourth milkshake $1. What is the value of Nick's consumer surplus?

  $10

  $3

  $9

  $2

答案  $3

【題目】:Which of the following acronyms refers to ports on laptop computer that accept small cards that server as expansion boards? 

答案:  PCMCIA

【題目】「微管仲，吾其被髮左衽矣。」的「微」字字義與下列何者相同？
A：「微」夫人之力，不及此
B：式「微」、式微，胡不歸
C：觀其所以「微」見其意者，皆聖賢相與警戒之義
D： 「微」風鼓浪，水石相搏
【解答】：A   「微」夫人之力，不及此

【題目】 Which of the following factors would not cause the demand curve for a given product to shift?
changes in price

【題目】 (甲)子夏問曰：「『巧笑倩兮，美目盼兮，素以為絢兮。』何謂也？」子曰：「繪事後素。」曰：「禮後乎？」子曰：「起予者商也！始可與言《詩》已矣。」(乙)子夏曰：「日知其 所亡，月無忘其所能，可謂好學也已矣。」根據這兩段引文，子夏應列在孔門四科中的哪一科
  德行
  言語
  政事
  文學 (答案)

A simple linear demand function may be stated as Q= a-bP+cI where Q is quantity demanded , P is the product price, and I is consumer income. To compute an appropriate value for c, we can use observed values for Q and I and then set the estimated income elasticity of demand equal to.
答案:  c(I/Q)

題目:Good A and good B are substitutes in production.
The demand for good A increases so that the price of good A rises.
The increase in the price of good A shifts the

答案:supply curve of good B leftward.

【題目】 Suppose the price of a good rises. When will the resulting substitution effect reduce the quantity demanded of the good?

Always.

【題目】Apples and oranges are substitute goods. A freeze in Florida destroyed a good portion of the orange crop. Ceteris paribus, the price of
both apples and oranges will fall.
  both apples and oranges will rise.
  oranges will fall and the price of apples will rise.
  oranges will rise and the price of apples will fall.
答案: both apples and oranges will rise.

題目: Producer surplus is the :
答案:difference between revenue and variable cost of production.

Two goods are complements if a decrease in the price of one good
答案:C,increases the demand for the other good.

【題目】Suppose that the price of eggs increases from 75 cents to $1.00 per dozen and as a result a typical farmer experiences a decrease in egg sales from 300 to 200 dozen per week. Using the method of average values, the price elasticity of demand is

答案:1.4

題目:A firm in pure competition would shut down when

答案:price is less than average total cost.

Nick can purchase each milkshake for $2. For the first milkshake purchased Nick is willing to pay $4, for the second milkshake $3, for the third milkshake $2 and for the fourth milkshake $1. What is the value of Nick's consumer surplus?

答案:C ,3

題目A competitive firm will tend to expand its output so long as:
Marginal revenues is greater than marginal cost.

【題目】 A profit-maximizing firm in a competitive market is able to sell its product for $7. At its current level of output, the firm’s average total cost is $10. The firm’s marginal cost curve crosses its marginal revenue curve at an output level of 9 units. The firm experiences a
答案:loss of exactly $27.

【題目】A multitasking operating system developed in the early 1970s at Bell Laboratories:
答案:UNIX

A freeze that destroys half of the water lili crop in Tainan would likely raise the price of water lily,  
答案 reducing the quantity demanded for water lily and increasing the demand for tea

題目:
Good A and good B are substitutes in production.
The demand for good A increases so that the price of good A rises.
The increase in the price of good A shifts the
答案:supply curve of good B leftward.

【題目】Q：Suppose the demand and supply functions for a certain goods are given
9.0

題目:If the price of the Walkman is below the equilibrium price, there will be a _______ of Walkmans and the price will _______. surplus; fall surplus; rise shortage; fall shortage; rise

答案: shortage; rise

題目:In the short run the magnitude of the own price elasticity of demand for ice cream:
is the same as in the long run.
is lower than in the long run.
is higher than in the long run.
does not depend on the fact that ice cream can be frozen.
答案 : is lower than in the long run.

【題目】Suppose that the price of eggs increases from 75 cents to $1.00 per dozen and as a result a typical farmer experiences a decrease in egg sales from 300 to 200 dozen per week. Using the method of average values, the price elasticity of demand is
答案:1.4

【題目】 If the market price is higher than the equilibrium price.
a surplus exists and the market price will fall until it equals the equilibrium price and the surplus is eliminated.

Which of the following system is used to manage information about customers, interact with customers, and to improve a company's relationship with its customers?

答案 CRM

答案：D limited resources and expanding wants.

【題目】 What kind of virus is typically hidden in MS word file?
A: Boot Strap Sector
B:Trojan
C: worm
D: macro
答案:  D          macro

What kind of virus is typically hidden in MS word file?
A: Boot Strap Sector
B:Trojan
C: worm
D: macro
macro

Suppose that the price of eggs increases from 75 cents to $1.00 per dozen and as a result a typical farmer experiences a decrease in egg sales from 300 to 200 dozen per week. Using the method of average values, the price elasticity of demand is
  0.8
  1.4
  1.75
  3.0

答案:1.4

【題目】 The fallacy of composition is evident in which of the following statements?
If each farmer works harder all farmers will be richer.

Under which of the following conditions would the interdiction of illegal drugs result in a decrease in the quantity of drugs sold and in a decrease in total spending on illegal drugs by drug users?

The kinked demand curve model assumes that a firm's rivals will
follow the firm's price decreases but not its price increases.

【題目】 Good A and good B are substitutes in production. The demand for good A increases so that the price of good A rises. The increase in the price of good A shifts the
  demand curve for good B leftward.
  supply curve of good B rightward.
  supply curve of good B leftward. (答案)
  demand curve for good B rightward.

【題目】When marginal profit equals zero:
the firm cannot exercise price discrimination.
profit is maximized.
the firm can increase profits by increasing output.
the firm can increase profits by decreasing output.
marginal revenue equals average revenue.
答案: profit is maximized.

【題目】 A profit-maximizing firm in a competitive market is able to sell its product for $7. At its current level of output, the firm’s average total cost is $10. The firm’s marginal cost curve crosses its marginal revenue curve at an output level of 9 units. The firm experiences a
loss of exactly $27.

【題目】 A freeze that destroys half of the water lily crop in Tainan would likely raise the price of water lily.
  reducing the demand for both water lily and tea.
  reducing the demand for water lily and increasing the demand for tea.
  reducing the quantity demanded for both water lily and tea.
  reducing the quantity demanded for water lily and increasing the demand for tea.

The supply curve for a good or service shows the sellers’
答案：minimun accptable price.

Let A be the area between the curves y = sin x and y = sin 2x from x = 0 to x = π 。then
答案: 2 < A < 3.

【題目】 Assume that we have a demand curve of the form.log(Q)=a-b×log(P)+c×log(I), where Q=quantity, P=price, I=income, and a, b, and c are positive constants. The income and price elasticities for the demand curve represented above are always
  constant.
  equal to zero.
  equal to one.
  equal(i.e., income elasticity always equals price elasticity).

答案  constant

Consumer surplus is:
  the price one is willing to pay divided by its actual price
  the difference between the price one is willing to pay and the price one has to pay
  negative for an inferior good
  the difference between the substitution and income effect
答案B
the difference between the price one is willing to pay and the price one has to pay

【題目】A multitasking operating system developed in the early 1970s at Bell Laboratories:
答案:UNIX

Which paradigm most accurately describes BASIC?
Imperative or procedural

Which of the following would be most likely to cause the demand for cheese to shift from D0 to D1?

【題目】「微管仲，吾其被髮左袵矣。」句中「微」字與下列 選項中，何者之「微」字義同？

ANS: 「微」夫人之力不及此

10900303

【題目】 

  1 < A < 2

  2 < A < 3

  0 < A < 1

  3 < A < 4