Dark money think tank behind Liz Truss was on British media 5,000 times in past year

Exclusive: MP writes to BBC and Ofcom after Tufton Street’s Institute of Economic Affairs - which does not declare its donors - reported a massive increase in media appearances

The Institute of Economic Affairs appeared on British media an average of 14 times a day in the last year, this newsletter has found.

The influential Tufton Street think tank does not declare its donors but has received funding from oil companies, Big Tobacco and US climate change denialists.