Fair Trade

The best way to give people a good quality of life, is to live by the rule of fair trade:  trades must be made with the consent of all materially affected people.  (Opportunity costs are not a material effect?)

What Is Right

"Right" = most pleasure for most people
  = most material goods for most people
  = no economic externalities
  = fair trade.

For fair trade, need to distinguish un/fair traders, measure their un/fairness.

Pay Per Use

Pay-per-use is better, to prevent externalities.
"Externality" = making someone else pay your bill.
Gas tax and toll roads are just paying your own bill for damage done by their usage.

What Is Fair Trade

"Fair trade" = informed consent of all people who bear material costs/benefits now/later (5 generations).  Emotions are not costs.  Lost opportunities may be costs.  Risks are costs.