The majority of people who live in inner cities do so because they ______ .
A. dislike having to travel far to work
B. have been forced by circumstances to do so
C. don' t like the idea of living in the suburb
D. have turned against society
The free-rider problem arises because______.
A. private goods are not correctly priced in the market place
B. it is possible for an individual to consume public goods without him paying for them
C. the cost of producing public goods is too high
D. private goods may also be public goods