- J44 - Professional Labor Markets; Occupational Licensing9
- J45 - Public Sector Labor Markets1
- J48 - Particular Labor Markets: Public Policy2
- J50 - Labor-Management Relations, Trade Unions, and Collective Bargaining: General5
- J58 - Labor-Management Relations, Trade Unions, and Collective Bargaining: Public Policy1
- J60 - Mobility, Unemployment, Vacancies, and Immigrant Workers: General7
- J61 - Geographic Labor Mobility; Immigrant Workers7
- J62 - Job, Occupational, and Intergenerational Mobility; Promotion8
- J63 - Labor Turnover; Vacancies; Layoffs8
- J64 - Unemployment: Models, Duration, Incidence, and Job Search23
- J65 - Unemployment Insurance; Severance Pay; Plant Closings7
- J68 - Mobility, Unemployment, and Vacancies: Public Policy4
- J69 - Mobility, Unemployment, and Vacancies: Other1
- J70 - Labor Discrimination: General1
- J71 - Labor Discrimination1
- J78 - Labor Discrimination: Public Policy1
- J80 - Labor Standards: General2
- J81 - Labor Standards: Working Conditions2
- J82 - Labor Standards: Labor Force Composition2
- J88 - Labor Standards: Public Policy2