First, give the 4 determinants of market structure described in Lesson 3. Next, give an example of some medical treatment, device, or drug. Then, explain the market structure of this product in terms of the 4 determinants of market structure described in Lesson 3 of this module. Once you explain the determinants, give your opinion as to whether or not there is market power in this market. Make sure your opinion about market power discusses all 4 of the determinants of market structure.

Please include at least two citations from reputable sources.