A useful article for discussion on ‘Government Intervention in Markets‘ for A Level Economics students https://www.bbc.co.uk/news/world-us-canada-46243072– see below where to find the relevant section in the spec:
Edexcel spec reference 1.4.1 Government intervention in markets
AQA spec reference 4.1.8.9 Government intervention in markets
OCR spec reference P14 Government intervention