Worksheets on OCR GCSE Economics 2.5 Competition, covering 2.5.1 Why producers compete, 2.5.2 How competition affects price, 2.5.3 Economic impact of competition, and 2.5.4 Monopoly and oligopoly, with answers. Print them, or work through one on screen. Write your working straight onto the paper and Genie marks it question by question against the mark scheme.