Refer to Figure 7-2. The efficient equilibrium quantity is ________ thousand vaccinations

Which of the following would cause a decrease in the equilibrium price and an increase in the equilibrium quantity of salmon?

A) a decrease in demand and a decrease in supply B) an increase in supply C) a decrease in demand and an increase in supply D) an increase in supply and an increase in demand greater than the increase in supply

If the painting firms in a city sign a contract outlining a pricing plan, they are involved in

A) price regulation. B) collusion. C) price competition. D) a legal form of business contract in the United States.