Which of the following non-OPEC nations have raised and lowered production in step with the OPEC nations, thus making the cartel more effective?

Identify some of the possible transactions costs involved in an exchange of a used car between two individuals

To say that a price ceiling is nonbinding is to say that the price ceiling a. results in a surplus

b. is set above the equilibrium price. c. causes quantity demanded to exceed quantity supplied. d. All of the above are correct.