There are those who favor "fair trade" over "free trade". What is their reasoning? a. They argue that under fair trade states would be punished if they pursued a trade surplus to stimulate their economies. b. They argue that under fair trade most industries would be protected from unfair competition. c. They argue that under fair trade strict tariffs and quotas would be allowed for struggling industries. d. They argue that under fair trade participants must reject old models and embrace realism or economic structuralism