可判断为小康水平的Engel指数是
A.60%以上
B.50%~59%
C.40%~49%
D.30%~39%
E.30%以下
社会经济状况常用指标Engel指数,其数值越大说明()。
A.生活水平越贫穷
B.生活水平越富裕
C.工资收人越大
D.用于购买食品的支出越大
E.用于购买食品的支出越小
An individual consumes two goods, clothing and food. Given the information below,illustrate both the income - consumption curve and the Engel curve for clothing and food.
A.该系数在70%以上者为贫困
B.该系数在50-59%者为勉强度日
C.该系数在40-49%者为小康
D.该系数在30-39%者为富裕
E.该系数在30%以下者为最富裕
说明下面各项中每一对之间的区别:
(1)价格-消费曲线与需求曲线;
(2)个人需求曲线与市场需求曲线;
(3)恩格尔曲线与需求曲线;
(4)收入效应与替代效应。
Explain the difference between each of the following terms:
a. a price-consumption curve and a demand curve
b. an individual demand curve and a market demand curve
c. an Engel curve and a demand curve
d. an income effect and substitution effect