『每日答題系列集中串』~(不一定日更,善用google, 回文40%)

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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

ycknews

【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

ycknews

求答案

【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

ycknews

題目都有點深,現在都懶的答題了!!

ycknews

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

ycknews

If a fall in the price of good A increases the quantity demanded of good B,
  A and B are complements
  B is a substitute for A, but A is a complement to B
  A and B are substitutes
  A is a substitute for B, but B is a complement to A


答案:A
A and B are complements

ycknews

Which of the following is an imperative programming language?
  SQL
  Scheme
  LISP
  Ada

答案
  Ada

ycknews

For implicit function 2xy+ex+y -2=0 dy/dx (0,ln2)=?

  1 - ln2
  -1 - ln2
  1 + ln2
  0


答案:B

-1 - ln2

ycknews

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 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.
  decrease 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:B

increase consumer surplus in the market for raisin bran and increase producer surplus in the market for milk.

ycknews

If price exceeds average costs under pure competition, in the long run ,______ firms will enter the industry, supply will ______, and price will be driven ______.
  more ； decrease ； up
  more ； increase ； down
  more ； decrease ； down
  more ； increase ； up


答案:B
more ； increase ； down

ycknews

The demand for Chocolate Chip Cookie ice cream is likely quite elastic because
  other flavors of ice cream are good substitutes for this particular flavor.
  the market is broadly defined.
  ice cream must be eaten quickly.
  this particular flavor of ice cream is viewed as a necessity by many ice cream lovers.



答案:A
other flavors of ice cream are good substitutes for this particular flavor.

ycknews

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


答案:C

both apples and oranges will rise.

ycknews

Economic scarcity arises from
  exploration
  inefficient production
  limited resources and limitless wants.
  limited wants and limitless resources.


答案:C
limited resources and expanding wants.

ycknews

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

答案:C

follow the firm's price decreases but not its price increases

ycknews

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 price elasticity of supply for illegal drugs is 0.8.
  The interdiction has the effect of shifting the demand curve for illegal drugs to the right.
  The price elasticity of demand for illegal drugs is 1.3.
  The interdiction has the effect of shifting the supply curve for illegal drugs to the right.


答案:C
The price elasticity of demand for illegal drugs is 1.3.