Suppose the company that owns the vending machines on your campus has doubled the price of a can of soda. If they then still sell almost the same number of sodas per day, this suggests:
A.the price elasticity of demand for soda is equal to 1.
B.soda purchases represent a large fraction of students’ budgets.
C.students do not have good nutritional information.
D.there are few other places to purchase soda on campus.
正确答案:there are few other places to purchase soda on campus.