This video is a lesson on public goods and their characteristics. The video begins by defining and explaining private goods. The video then goes on to define public goods. The video also discusses non-pure public goods, which exhibit...

1. Ulster Unionist Party leader David Trimble arriving for press conference

2. Cutaway of press confer
ence
3. SOUNDBITE: (English) David Trimble, leader of the Ulster Union
ist Party
"What is necessary...