A firm that is a natural monopoly a. enjoys coonomies of scale by producing a larye mumber of units. b. enjoys government license given to them. c. enjoys the resource that they hove which ether firms do not have. d. is similar to a perfectly competitive firm. QUESTION 21 Which type of manopoly promotes irvovation and researat? Owning a monopoly resource. Govemment created monopoly. Natural Monopoly. No monopoly encourages innovation and research. .