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2024/09/28問題解答
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【題目】Let A = J e1(1nx)2 dx ， then 答案: 0 < A < 1 Let a=∫1 0 x5(1-x3)1/3 dx，then 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 For implicit function 2xy+ex+y -2=0 dy/dx (0,ln2)=? 答案: -1 - ln2 Suppose the demand and supply functions for a certain goods are given 答案: 9.0 Converting from type ____ to type ____ will result in the loss of data. 答案: int, char 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: A>B>C 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. A competitive firm will tend to expand its output so long as: 答案: Marginal revenues is greater than marginal cost. If resources are used efficiently, then _____. 答案: consumer surplus plus producer surplus is maximized If the quantity demanded increase as peoples incomes increase, the result of 【解答】 a normal good. A multitasking operating system developed in the early 1970s at Bell Laboratories: 答案: UNIX When marginal profit equals zero. 答案: profit is maximized. The prisoners’ dilemma is a simple game in which： 答案: both parties are made worse off by following their own self-interests. Suppose the price of a good rises. When will the resulting substitution effect reduce the quantity demanded of the good? 答案: Always 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 If a good is produced using inputs for which there are no substitutes, the good's 答案: elasticity of supply is likely to be small. Which of the following would be most likely to cause the demand for cheese to shift from D0 to D1?
答案: an increase in income, assuming cheese is a normal good 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 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. 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 答案: inelastic A short piece of information used to authenticate a message is commonly referred to as 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 If cigarettes and marijuana had been found to be substitutes, a tax placed on cigarettes would 答案: increase the demand for marijuana (In C) int x=1; if (x=2) x=3; the value of x is ____. 答案: 3 If price exceeds average costs under pure competition, in the long run ,______ firms will enter the industry, supply will ______, and price will be driven ______. 答案:more; increase; down 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? 答案: Levi’s will produce in the short run but go out of business in the long run The kinked demand curve model was developed to help explain. 答案: rigidities in prices in oligopolistic industries. 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 答案:2 percent. Raisin bran and milk are complementary goods. A decrease in the price of raisins will 答案:increase consumer surplus in the market for raisin bran and increase producer surplus in the market for milk. A freeze that destroys half of the water lily 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 Economic scarcity arises from 答案: limited resources and expanding wants. What kind of virus is typically hidden in MS word file? 答案: macro 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 |
Suppose the demand for gourmet coffee can be represented by a linear demand curve. When income rises cause the demand curve for gourmet coffee shift to the right parallelly:
答案: becomes less elastic at the price that prevailed before the change in income
The kinked demand curve model assumes that a firm's rivals will
答案: follow the firm's price decreases but not its price increases
Which of the following acronyms refers to ports on laptop computer that accept small cards that server as expansion boards?
答案: PCMCIA
The fallacy of composition is evident in which of the following statements?
答案: If each farmer works harder all farmers will be richer.
If the price of the Walkman is below the equilibrium price, there will be a _______ of Walkmans and the price will _______.
答案: shortage; rise
答案: by 25 percent
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?
答案: The price elasticity of demand for illegal drugs is 1.3
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: 3
CDC character set contains 64 characters, To represent any possible 10 character string needs at least
答案: 60
When demand increases and supply decreases, the
答案: equilibrium price rises, and the equilibrium quantity might increase, decrease, or remain constant.
In the short run the magnitude of the own price elasticity of demand for ice cream:
答案: is lower than in the long run.
「微管仲，吾其被髮左衽矣。」的「微」字字義與下列何者相同？
答案: 「微」夫人之力，不及此
The supply curve for a good or service shows the sellers’
答案: minimum acceptable price.
Which of the following is the amount a person would invest now to receive a greater amount in the future?
答案: Present value
(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
答案: 文學
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: Price will fall and the effect on quantity is ambiguous
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
答案: equal to the marginal cost.
「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
答案: demand for pumpkins is elastic.
Which of the following factors would not cause the demand curve for a given product to shift?
答案: Changes in price.
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
A firm in pure competition would shut down when
答案: price is less than average variable cost.
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
Producer surplus is the :
答案: difference between revenue and variable cost of production.
The most fundamentaleconomic problem is
答案: scarcity.
Consumer surplus is:
答案: the difference between the price one is willing to pay and the price one has to pay
for the function f(X)=3√x(x-7)²
which of the following statements are true ?
答案: f (7) = 0 is a relative minimum
The demand for a product tends to be inelastic if.
答案: a small proportion of consumer's income is spent on the good.
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)
If resources are used efficiently, then ____.
答案: consumer surplus plus producer surplus is maximized
A decrease in the supply
答案: raises its equilibrium price and decreases its equilibrium quantity.
Which paradigm most accurately describes BASIC?
答案: Imperative or procedural
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.
Each standard library has a corresponding:
答案： Header file
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
答案：the equilibrium price of gasoline would rise.
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 a fall in the price of good A increases the quantity demanded of good B,
答案: A and B are complements
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
答案: will go up.
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.
If the market price is higher than the equilibrium price.
答案: a surplus exists and the market price will fall until it equals the equilibrium price and the surplus is eliminated.
The statement “An increase in the price of gasoline will lead to a decrease in the amount purchases” is
答案 : a positive statement
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 : substitutes; 0.4.
Apples and oranges are substitute goods. A freeze in Florida destroyed a good portion of the orange crop. Ceteris paribus, the price of
答案: both apples and oranges will rise.
Two goods are complements if a decrease in the price of one good
答案: increases the demand for the other good.
which of the following would be most likely to cause the demand for cheese to shift from d0 to d1
答案: an increase in income, assuming cheese is a normal good
Which of the following statement is normative？
答案: Higher taxes are needed to support education.
Which of the following is an imperative programming language?
答案: Ada
For a good that is a necessity,
答案: demand tends to be inelastic.
Which of the following statements is true? Oligopolists :
答案: all of the above.
在TV動畫《轉生成女性向遊戲只有毀滅END的壞人大小姐》中，請問「卡塔莉娜·庫萊耶思」的初吻獻給誰？
答案:吉奧多·史提亞德
在TV動畫《我內心的糟糕念頭》中，主角山田杏奈的家是在大樓中的第幾樓？
答案:16
在TV動畫《葬送的芙莉蓮》中，請問以下哪位不是原「勇者一行人」？
答案: 費倫
在動畫《為美好世界獻上祝福！》中，鬼畜和真使用偷竊(Steal)技能奪取了許多女性的胖次，請問以下何人的胖次沒有被和真奪取過？
答案: 阿克婭 (沒穿內褲)
在動畫及小說《反派千金等級99～我是隱藏頭目但不是魔王～》中，請問以下哪位愛上了主角「尤蜜拉·多克尼斯」？
答案: 派翠克·阿修巴頓
在動畫及小說中有許多異世界的作品，請問以下哪位主角是經由召喚前往異世界的？
答案: 深澄真（月光下的異世界之旅）
在漫畫及動畫《戀上換裝娃娃》中，主角「五条新菜」原先立志成為的職業是何者？
答案:女兒節娃娃工匠
在第一季TV動畫《敗北女角太多了！》中，主角溫水和彥用4K電視及8K電視形容女性，請問溫水的4K是指哪位女角?
答案:八奈見杏菜
在動畫及小說《不時輕聲地以俄語遮羞的鄰座艾莉同學》中，請問主角「久世政近」是「周防有希」的什麼人？（請選出最正確的答案）
答案:親哥哥
在第一季TV動畫《我內心的糟糕念頭》中，主角市川京太郎第一個加Line的異性同學是誰？
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