Read the first article and the full Introduction (at least) to the Brookings study. . Our model of Supply & Demand is based on a model of perfectly competitive markets. If our markets are not competitive, how does that affect this model? Read the first article and the full Introduction (at least) to the Brookings study. Submit your answer in the box. It should be a few paragraphs long and include a reference to an additional academic-level outside evidence to back up what you are saying. . Our model of Supply & Demand is based on a model of perfectly competitive markets. If our markets are not competitive, how does that affect this model? include a reference to an additional academic-level outside evidence to back up what you are saying