https://www.youtube.com/watch?v=13JOGWzY8kE - 12mins

https://www.youtube.com/watch?v=FBjFDtH-iZM - 6 min

https://www.youtube.com/watch?v=nsWuzS_dEM8 - 3 mins

Identify a real-world negative externality different from the one used in #1 or the films and explain why the real costs to society are not being captured by the free-market. Also, explain how this negative externality can be corrected.

Identify a real-world public good and explain why the good is a public good. Also, explain why the public good you've identified needs to be provided and how the public good will be provided. Use a different example than those provided in the films.