65 ! in cases of natural monopolies- such as utility companies- prices are kept under control mainly through a. competition b. supply and demand c. free market forces d. government regulation a legal entity owned by individual stockholders is called a. general partnership b. corporation c. conglomerate d. llp what is monopolistic competition a. one company selling the identical product under different names b. one company selling different products under different names c. a very few companies selling identical products d. many companies selling similar but not identical products what is the definition of an oligopoly a. one firm producing 95 percent of the output b. to to four firms producing 70 percent to 80 percent of the output c. more than ten firms producing 60 percent to 70 percent of the output d. it has reduced start-up costs for many buisnesses