sund3blontg4
Answered

What is the 'free-rider problem'?

Aa cost that one person or group imposes on another person or group
Ba benefit that one person or group gets from another person or group
Ca shared good or service that wouldn't necessarily be available if it were provided privately
Dwhen a person is unlikely to pay for a good or service but will use the good or service if it is free

Verified Answer :

vbock
Dfree-riders are folks who enjoy a service but do not contribute to its upkeep.  People who listen to Public Radio or watch Public TV in the U.S. but do not donate are free riders.