【单选题】When the prices were ($5, $1), Vanessa chose the bundle ( x , y ) = (6, 3). Now at the new prices, ( p x , p y ), she chooses the bundle ( x , y ) = (5, 7). For Vanessa’s behavior to be consistent wit...
【单选题】Gwen is consuming the optimal consumption bundle of potatoes and steak. Call this bundle
A.
Her income is $100, the price of steak is $10, and the price of potatoes is $1. Put potatoes on the vertical axis and put steak on the horizontal axis. Her income increases to $500, and the prices of steak and potatoes remain constant. With the increase in income, Gwen changes her consumption of the two goods and now maximizes utility at bundle
B.
If potatoes are inferior goods for Gwen, A、 . at bundle B, Gwen consumes more potatoes. B、 . at bundle B, Gwen consumes fewer steaks.
C.
at both bundles, the relative price is 10.
D.
at both bundles, Gwen consumes the same amount of potatoes and steaks.
【判断题】Rudolf Rational obeys the weak axiom of revealed preferences. His preferences don’t change over time. One year he could afford bundle x but bought bundle y . If another year he buys bundle x , then he...