Question 6: Think of an industry that pollutes the water and has access to variable technology for reducing pollution.Graphically illustrate and explain the impact of each of the following, other things constant, on the optimal level of water quality:

a.New evidence is discovered about a greater risk of cancer from water pollution.

b.The cost of pollution-control equipment increases.

c.A technological improvement reduces the cost of pollution control.

Question 0: will there always be poverty?