1. County Business Patterns (1977-2016)
2. US HS-level imports and exports (1989-2023)
3. US HS over time concordances
4. US HS-SIC/NAICS concordances
5. US MFA apparel and textile quotas
6. Chinese HS code to Canada, EU and US MFA category concordance
7. US tariff schedule 1989-2001
8. US SIC87-level imports and exports (1972-2005)
9. Import penetration, low-wage country competition and trade costs from Bernard, Jensen and Schott (JIE 2006) and Bernard, Jensen and Schott (JME 2006)