What does your answer to the previous question tell you about the ease or difficulty of entry into the automobile industry? How many real industries can you name that are oligopolies? How many...

What does your answer to the previous question

tell you about the ease or difficulty of entry into the

automobile industry?

How many real industries can you name that are oligopolies? How many operate under monopolistic competition? Perfect competition? Which of these is most difficult

to find in reality? Why do you think this is so?