Worksheets on AQA GCSE Economics 1.6 Market failure, covering 1.6.1a Market failure as misallocation of resources, 1.6.1b Government intervention, 1.6.2a Defining externalities, and 1.6.2b Positive and negative externalities, 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.