What motivates the actions of entrepreneurs in markets?

Based on the current state of revenue of the Social Security and Medicare programs, the government has two options for funding, which are

A) raising payroll taxes or cutting benefits. B) raising payroll taxes or raising benefits. C) cutting payroll taxes or cutting benefits. D) cutting payroll taxes or raising benefits.

In an effort to clean up the amount of sulfates introduced into the atmosphere the government has ruled that all polluters install smoke stack scrubbers on their smoke stacks and mandated a pollution limit on the amount of sulfates per parts of air

that may be legally emitted into the atmosphere. Suppose some of the polluters have found a more efficient way to eliminate the pollution. How will this discovery change the amount of sulfates emitted into the atmosphere?