Five years ago, then Prime Minister Boris Johnson made "levelling up" a central plank of the Conservative Party's bid for re-election, with a manifesto pledge to "level up every part of the UK". In 2022, the government published a thorough and ambitious White Paper setting out 12 levelling up...

By merging individual data on valuable patents granted in Prussia in the late nineteenth century with county level information on literacy and income tax revenues we show that increases in the stock of human capital not only improved workers ́productivity but also accelerated innovative...