(whole_question)[20]
Evaluate, with the aid of a diagram(s), whether excess profit (supernormal profit) is always required for the continued existence of firms in perfect competition and monopoly.
Economics 9708 · AS & A Level · 7.6
Evaluate, with the aid of a diagram(s), whether excess profit (supernormal profit) is always required for the continued existence of firms in perfect competition and monopoly.