Cindy Discovers That When She Goes to the Beach, She

Multiple Choice

Cindy discovers that when she goes to the beach, she does not have to bring her radio. She can put her blanket near someone who has a radio and listen all day (without havingto carry her radio, get sand in her speakers, or buy new batteries) . She's delighted. This isan example of

A) private property abuse
B) an externality cost to the person who has the radio
C) a negative externality enjoyed by Cindy
D) a positive externality enjoyed by Cindy
E) a public good