Niesr says even under best-case scenario, economy would grow at slower pace in 2026 and 2027 because of conflict Niesr says even under best-case scenario, economy would grow at slower pace in 2026 and 2027 because of conflict Britain is facing a £35bn economic hit and the risk of a recession this year as the fallout from the Iran war adds to the pressure on Keir Starmer’s government, a leading thinktank has warned. The National Institute of Economic and Social Research (Niesr) said that even