I can find discussions of the "shut down rule" but none of the "shut down run rule" on the internet, using Google.
If you are referring to the "shut down rule", the answer is No.
Different rules apply with oligopolies
Does the shut down run rule apply to oligopolies in the same way as it does to perfectly competitive companies for both the short run and the long run?
3 answers
sorry - yes, I meant shut down rule - how is the shut down rule different for oligopolies than for a perfectly competitive company?
I am referring this question to our expert on that subject. I could only give you a web site reference using Google.