OBR Forecast Recession...But Have They Included The Effects of Government Interventions?

The OBR says under a no-deal Brexit Britain will enter a year-long recession in the fourth quarter of 2019, as revealed by Times this morning

By mid-2021 it says that GDPO will be 4 per cent lower than in March forecast, then economy will pick up

— Steven Swinford (@Steven_Swinford) July 18, 2019

Have they included the effects of government interventions?

No!

As per page 256:

"There is no discretionary fiscal policy response"