“原题”：Total utility & marginal utility 求解关于总效用和边限效用的题目

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做经济题做到快崩溃了....求各位师兄师姐们解救
1.The price of a Big Mac is $1; the price of a Jumbo Jack is $1.  The marginal utility you get from the last Big Mac is 10; the marginal utility you get from the last Jumbo Jack is 8.  According to the Principle of Rational Choice, you should:

	A.	consume more Big Macs and fewer Jumbo Jacks.
	B.	consume fewer Big Macs and more Jumbo Jacks.
	C.	consume an equal amount of both.
	D.	realize you can not make a rational decision and go on a fast.

2.Total utility is maximized when:

	A.	the marginal utility is the same for every item consumed.
	B.	the total utility for each item consumed is identical to its price.
	C.	the total utility per dollar spent is the same for all items consumed.
	D.	the marginal utility per dollar spent is the same for all items consumed.

3.According to the Principle of Diminishing Marginal Utility:

	A.	the more we buy of something, the more it costs.
	B.	additional satisfaction falls as consumption increases.
	C.	people should spend all of their income on one good.
	D.	the more we consume of something, the smaller the total satisfaction received.

4.Andrea is maximizing utility when consuming two goods, pepsi and pizza.  If the marginal utility from the last piece of pizza Andrea consumed is 120, and the marginal utility of the last pepsi is 40, and pizza cost $1.50 per piece, a pepsi must cost 50 cents each.
  True
False


additional：
请问”self－interest“和”selfishness“的中文讲解是什么意思？

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关键词：Marginal Utility margin Total UTI should Choice amount price

第一题选A,第二题选D,3题选B,不需要解释吧

annozk 发表于 2012-2-10 17:43
第一题选A,第二题选D,3题选B,不需要解释吧

谢谢谢谢！！超级谢谢～
{:2_25:}额。。。那个第四题是不是选True呢？{:2_28:}

其实我是知道“self－interest“和”selfishness”的解释是什么。。。题目不用讲解。。{:2_36:}

第四题选true,开始没看到这个题,不好意思.

做这类题把握住一个公式就好，MUx/Px=MUy/Py,感觉万变不离其宗。

Jennifer126 发表于 2012-2-12 21:24
做这类题把握住一个公式就好，MUx/Px=MUy/Py,感觉万变不离其宗。

{:2_31:}恩恩！！明白！！

是啊。啊，真的是这样哦！