The launch of a series of insight pieces by the National Institute of Economic and Social Research (NIESR) on the contours of a new fiscal framework for the United Kingdom has important implications for investment, productivity and sustained growth – not only for the UK but also for other countries. The economic recovery from the pandemic and the transition to a net-zero economy places a gigantic demand on sound fiscal policies around the world. In addition, the UK is also committed to levelling up disadvantaged regions while retaining and potentially strengthening its global competitiveness in the post-Brexit world.