a. Suppose you are part of a research team evaluating a proposal to clean up a hazardous waste site. You are in charge of assessing the incremental benefits. Which method would you choose to derive the estimation? Explain briefly. 

b. Based on your selection, outline your research plan for this specific estimation problem. Be sure to identify the following in your outline: a general description of your model, the relevant market for your model, the primary variables of interest, the data requirements, and any potential bias in your results.