Answer
A ) Efficiency - The may fail because of monopoly by cable TV firm
B) Equity
C) Second-Hand smoke harms non smokers so externality arise
D) The Standard Oil has monopoly power so market failure may occur
E) Equity
F) Efficiency - Accidents caused by a drunk driver would cause externality
Work Step by Step
A ) If the cable companies do not follow the government decisions they choose their own price then the market failure would occur
B) providing food to poor people so that they can eat as other people and become equal to them
C) Non Smokers do not smoke but they inhale second-hand smoke so it is an externality
D) Standard Oil had 90% of oil refineries so a market failure may occur because of its monopoly power
E) Higher Income Tax on Higher Earning people is equity
F) Law Against Intoxicated Driver is efficiency because it would reduce accidents which is an externality