1.What do economists mean when they argue that the rapid growth of the problem of pollution is caused by it being outside of the market system? What steps can the government take to help alleviate this problem, using market forces?

2.Explain the main private costs to a motorist from undertaking a journey.

3.Evaluate the following statement: 'Despite the weaknesses of a free market, the replacing of the market by the government generally makes the problem worse'.