Service-based industries have significantly outperformed manufacturing and other traditional blue-collar economic sectors in Massachusetts since 2008, according to a new report from Pioneer Institute that draws on data from the MassEconomix web tool. In “Broad Industry Sector Trends in Massachusetts, 1998-2018,” two decades of data show fluctuating employment changes across the state, as well as changes in firm size and the types of firms disproportionately headquartered in the Commonwealth.