Question # 1:List and discuss a situation where emissions standards would be preferable to either pollution taxes or a system of transferable permits?

Question # 2:Explain how an economist would determine the optimal level of a pollution tax. What is the major uncertainty in using a pollution tax?

Question # 3:What are some particular problems with stock pollutants? Why might a reduction in emissions levels of a stock pollutant be insufficient in reducing the negative effects of the pollutant?