...UK GDP growth has averaged less than 1% a year since 2023. Boosting growth prospects has become a political priority and the medium-term growth outlook has a major bearing on prospects for government revenue and public debt dynamics. Fitch Ratings has taken an in-depth look at historical and prospective UK growth performance through the lens of the supply-side. The analysis suggests supply-side growth potential will be 1.4% a year over the next five years, better than the past three years but only broadly in line with the average over the past decade. Labour productivity growth should improve, but labour supply growth is set to slow....