<sod >A significant part of that deterioration is due to its estimate of the negative impact of Brexit.< eod>< sod > A significant part of that deterioration is due to its estimate of the negative impact of Brexit ÃÂ¢ÃÂÃÂ both the near-term impact of the vote to leave the European Union on 23 June and also the impact of the UK actually leaving the bloc in 2019.< eod>