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After the major revision of the U.S. Standard Industrial Classification system (SIC) in the 1987, the problem arose of how to evaluate industrial performance over time. The revision resulted in the creation of new industries, the combination of old industries, and the remixing of other...
Persistent link: https://www.econbiz.de/10005058641
Establishment reclassification occurs when an establishment classified in one industry in one year is reclassified into another industry in another year. Because of survey design rules at the Census Bureau these reclassifications occur systematically over time, and affect the industry-level time...
Persistent link: https://www.econbiz.de/10005058761
The National Science Foundation R&D Survey is an annual survey of firms' research and development expenditures. The …
Persistent link: https://www.econbiz.de/10005058816