By Chris Dorrell A new report has suggested high levels of migration over the past two decades have contributed to the slowdown in the UK’s productivity growth since the financial crisis. Productivity, a measure of workers’ output per hour, has barely budged since 2008 despite the range of new technologies firms have to work with. “Productivity growth has not been this consistently anaemic since the onset of the Industrial Revolution and the age of modern capitalism,” Robert Jenrick, MP, and Neil O’Brien, MP, noted in a new report for the Centre for Policy Studies (CPS). Although the report st…