2. Carbon Tax = Pigovian Tax
When a market creates negative
externalities
Carbon Tax is a tax set upon companies
that pollute the environment
Most efficient way to correct the negative
externalities
3. Criticism
What size tax is appropriate?
Tax = external cost of emission
but not concensus on size of external cost
Actions
must be taken today to avoid
outcomes that will occur in the future
4. Alternatives
CAFE
Standards: Corporate Average Fuel
Company
Increasing fuel efficiency of cars
Cap-and-trade system
Allowances are bought and sold
5. Outcome
Global carbon tax is easier to negotiate
Raising of global revenue