BBC News:
Brexit added #210 to household food bills, LSE says
1 December 2022
Researchers at the LSE's Centre for Economic Performance (CEP) looked at data tracking the flow of trade and prices of food products between the UK and the European Union (EU) to work out how shoppers were being affected by the UK's exit. They said Brexit added £210 to the average household food bill in the two years to the end of 2021.