United States. Department of Agriculture, « (Restricted) USDA Rural Establishment Innovation Survey (REIS) », Inter-university Consortium for Political and Social Research, ID : 10.3886/ICPSR37789.v1
The REIS is a national sample of roughly 11,000 business establishments in tradable sectors in both non-metropolitan and metropolitan areas. REIS allows deriving a normative measure of innovation that is a combination of the self-reported innovation measures.