【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...
【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...