【单选题】Samara's income is $30 a month and she spends all of it on music downloads and gasoline. The price of a music download is $3 and the price of a gallon of gasoline is $3. At Samara's best affordable po...
A.
0.50.5
B.
11
C.
1.51.5
D.
More information is needed to determine the marginal rate of substitution.需要更多的信息来确定边际替代率。
【单选题】The rate at which Sam is willing to give up a gallon of gasoline to get one more pound of coffee, and remain on the same indifference curve is called his
【单选题】Samara's income is $30 a month and she spends all of it on music downloads and gasoline. The price of a music download is $1.50 and the price of a gallon of gasoline is $3. At Samara's best affordable...