Consider competitive markets, monopolies, and oligopolies. What role does each of these play in an economy? Write a 1,050 to 1400 paper on market structures and maximizing profits. address the following: What are the characteristics of each market? How is price determined in each market structure in terms of maximizing profits? How is output determined in each market structure in terms of maximizing profits? What are the barriers to entry , if any? What role does each market structure play in the economy?