Model A is superior to model B if
A) it contains more real world detail than model B.
B) it contains fewer unrealistic assumptions than model B.
C) its predictions correspond more closely to the facts than the predictions of model B.
D) it is preferred by a majority of researchers in a public opinion poll.
E) it is scientifically “elegant.”
Use the information below to answer the following questions.
Fact 9.3.1
Marc has an income of $20 and spends it on two goods, root beer (measured on the
vertical axis) and chips (measured on the horizontal axis). The price of root beer is $1 a
can. The price of chips is $0.50 a bag. Initially, Marc chooses to consume 10 cans of
root beer and 20 bags of chips. Then the price of root beer rises to $1.50 per can and the
price of chips falls to $0.25 a bag.
Refer to Fact 9.3.1. Marc’s initial marginal rate of substitution was
A) not calculable with the information given.
B) equal to 2 cans of root beer given up for each bag of chips gained.
C) equal to 1 can of root beer given up for each bag of chips gained.
D) equal to 10 cans of root beer given up for each bag of chips gained.