The OBR has previously scored UK growth down by 4% due to the original Brexit deal. The chancellor believes that has set a precedent and that the OBR should include the projected economic upsides of a youth mobility scheme into its upcoming forecast. In response, the chancellor has stressed a series of measures aimed to help the economy grow faster, including further trade deals. If accepted by the independent forecasters, the inclusion of the proposed EU youth mobility scheme into its calculations could theoretically limit the extent of any new tax rises. The OBR has scored policy moves on house building and childcare as helpful to the economy in recent years.