Hi I need help on what is the answer to this problems? Below is the question and other concerns will be in the comment section. I hope you can help me and surely I will give you full positive feedback

instructions

I. Write the letter of the correct answer before the number.11. A craft union is characterized by all but which of the following? A. Changes supply manipulation of apprentice programs B. Cause a kink in the supply curve at the minimum acceptable wage C. Organizes only one skill group of employees and was associated with the AFL D. All of the above are true. 12. In a small Ohio community, we have only five employers who pay wages within a narrow range that is basically acceptable to each of the employers. The employees believed that the wage they received was below the competitive equilibrium so they unionized. The effects of this unionization in the small community was: A. A higher wage but with increased employment B. A higher wage, but with decreased employment C. The wage didn't change, but there was increased employment D. We simply do not know because the underlying economic model is indeterminant13. If we have a monopolist that provides electrical service to a community and it is observed that the monopolist charges, what is viewed by most people as excessive rates, we may wish to regulate the monopolist. If we were to regulate the monopolist at competitive equilibrium, we have regulated the monopolist at: A. The social optimum ( allocationy optimal)B. At where marginal cost is equal to average revenue C. At a point where there is a greater quantity than would be observed at the monopoly rate D. All of the above are true 14. Which of the following is not an assumption of the pure competition model? A. There is only public relations type non-price competition B. There are no barriers to entry or exit C. There is a standardized product D. All of the above are true. 15. Because of the underlying assumptions of the purely competitive model, all of the following are true, but which one of the following is not true of competition? A. Economic profits are signal for new firms to enter the market B. Purely competitive industries are economically efficient C. Competitive firms' are guaranteed a profit at where MC = MR D. All of the above are true.16. Which of the following does the marginal revenue curve intersect at their minimum? A. Short run average total cost B. Total cost in the short run C. Long run average total cost D. None of the above 17. What are the causes of economies of scale? A. Ability to use by-products B. Ability to use specialized management C. Use of specialized capital goods in production D. All of the above 18. Which of the following is an implicit cost to a business? A. The costs that are associated with factors of production that can be varied in the short-run B. The forgone opportunity for the business to engage in the current activity C. Any and all costs to the firm that are termed accounting costs D. None of the above 19. Which of the following is true? A. TC - MC = VC B. AVC + TC = FC C. AFC + AVC = ATC D. MC + MR = profits20. Fixed costs: A. Exist only in the long run B. Exist only in the market period C. Are the difference between variable cost and total cost D. Are only opportunity costs in the long run, but implicit costs in the short-run