课程名称︰个体经济学一
课程性质︰经济系大二必修
课程教师︰古慧雯
开课学院：社会科学院
开课系所︰经济系
考试日期（年月日）︰103.10.27
考试时限（分钟）：100分钟
是否需发放奖励金：是
试题 :
1.The following statement is quoted from 新唐人亚太新闻, 2014/10/19:
牛奶价格从抵制顶新旗下厂牌过后没有波动,农委会副处长表示,如果届时出现联合涨价的情况一定会罚,强调牛奶是民生必需品,不容许不正当的联合涨价.....
(a)(1 point)Supposed the milk price is not under government regulation, how should recent events in Taiwan impact on the equilibrium prices of milk not produced by 味全? Please analyze it in a graph.
(b)(2 points)Consider milk not produced by 味全. Please compare its quantity demanded and quatity supplied under government regulation as stated above. Do you support 农委会's statement, and why?
2.A consumes only two commodities: x and y. His utility function is: u(x,y)=x*y^2.
(a)(1 point) Please calculate the MRS and express it as a function of (x,y).
(b)The price of x, px, is$1, the price of y, py, is $2, and A's income, I, is $12.
i.(1 point)Please prove that A's optimal consumption must be an interior solution .
ii.(1 point)Solve for A's optimal consumption bundle.(You could assume it to be an interior solution, even if you fail to provide a proof in the previous problem.)
iii.(2 points)Please derive A's demand function of commodity x, x(px), when py and I remain constant.
iv.(2 points)Suppose px increases from $1 to $2, while py and I remain the same. Please calculate the substition effect, (dx, dy), due to this change.
3.(1 point)(四年前顶新集团旗下康师傅回台发行TDR...), which English words does TDR stand for?