ECON..

Zinedine Zidane

all-or-nothing點解要use auv畫ge?同埋點樣extract個consumer surplus法?

thx解答~~~

講野無point的人

可唔可以將d英文變番做中文

Zero

[QUOTE=Zinedine Zidane]all-or-nothing點解要use auv畫ge?同埋點樣extract個consumer surplus法?

thx解答~~~[/QUOTE]
coz the use value is in average but not marginal.....

if u draw a graph urself,u can see how the cs being extracted.