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