Mixed Goods Flashcards
Pure public good characteristics
-non rival, non excludable
-external benefit = suboptimal provision of public goods = economic inefficiency
-undersupply & under investment
-free riding
Types of public goods
-best shot
-weaker link
-weakest link
-aggregate
-additive
Best shot
Benefit to all determined by most effective provider
-free riding has no impact
-incentive to supply as long as marginal benefit > marginal cost
Weakest link
Overall consumption level is only as large as smallest provision level to group
-conservation should begin here
-free riding a problem
-supply incentives weak
Weaker link
Greater efforts by some can offset less vigilant efforts by others
-supply incentives weak
-free riding a problem
-conservation should begin here
Aggregate
Each providers contribution is imperfect substitute for another provider (weighted sum)
-strong incentives to undersupply
- strong free riding incentives
Additive
Every providers contribution to effort is perfect substitute for anothers
-strong incentive to undersupply
-strong free riding incentive
Living renewable public good externalities
-user cost
-public good externality
User cost
Harvesting too small, too young or wrong time