How is the demand for lumber affected by the demand for housing?

1- How is the demand for lumber affected by the demand for housing?2- Define market power, and then discuss the rationale for government regulation of firms with market power.3- Explain the difference between fixed-production technology and variable technology. Should the government set a goal of reducing the marginal social cost of pollution to zero in industries with-fixed production technology? Should they do that in industries with variable technology? 4- What is the Lorenz curve? What does the Lorenz curve in Exhibit 2 illustrate?