A warmer than normal winter will ________ in the market for natural gas. a) increase the equilibrium price and increase the equilibrium quantity b) increase the equilibrium price and decrease the equilibrium quantity c) decrease the equilibrium price and increase the equilibrium quantity d) decrease the equilibrium price and decrease the equilibrium quantity

An increase in the tax on gasoline will ________ in the market for gasoline. a) increase the equilibrium price and increase the equilibrium quantity b) increase the equilibrium price and decrease the equilibrium quantity c) decrease the equilibrium price and increase the equilibrium quantity d) decrease the equilibrium price and decrease the equilibrium quantity