quartz/content/Obsidian Vault/remnote backup/externalities.md

#econ

• non-excludable→people benefit but do not pay for it. Can't exclude people from using it.
• non-rival→no marginal cost of use. basically unlimited people can use it.
• Public Goods↔externalities/non-rival and externalities/non-excludable
• Private Goods↔neither externalities/non-rival nor externalities/non-excludable
  • military, parks, roads, radio
• Common Resources↔externalities/non-excludable but not externalities/non-rival
  • anybody can use it, but it limits other's use of it
  • whales, ozone, clean water sources, public grasslands,
• Club Goods↔externalities/non-rival but not externalities/non-excludable
  • people can be kept out (for profit reasons) but don't like, need to be. It's unlimited extra use.
  • satellite radio, netflix, movies, music, drive-in theatre, etc.