Which enable an oligopoly to form within a market? a) costs of starting a competing business are too high. b)the government restricts market entry. c) the number of options in a market confuses consumers. d) no competition exists between producers.

Starting a business isn't always easy because of the high starting up cost and other expenses that should be carried out to  compete with other businesses.Oligopolies maintain their position of dominance in a market might because it is too costly or difficult for potential rivals to enter the market. These are obstacles that stop or prevent the entrance of a firm in a specific market

decentralization can the employees to get more involved in the business decision making