- L33 - Comparison of Public and Private Enterprises and Nonprofit Institutions; Privatization; Contracting Out2
- L38 - Public Policy2
- L40 - Antitrust Issues and Policies: General2
- L43 - Legal Monopolies and Regulation or Deregulation2
- L52 - Industrial Policy; Sectoral Planning Methods2
- L70 - Industry Studies: Primary Products and Construction: General2
- M11 - Production Management2
- M55 - Personnel Economics: Labor Contracting Devices2
- N40 - Economic History: Government, War, Law, International Relations, and Regulation: General, International, or Comparative2
- O00 - Economic Development, Innovation, Technological Change, and Growth2
- O13 - Economic Development: Agriculture; Natural Resources; Energy; Environment; Other Primary Products2
- O20 - Development Planning and Policy: General2
- O24 - Development Planning and Policy: Trade Policy; Factor Movement; Foreign Exchange Policy2
- O43 - Institutions and Growth2
- O51 - Economywide Country Studies: U.S.; Canada2
- P16 - Capitalist Systems: Political Economy2
- P20 - Socialist Systems and Transitional Economies: General2
- P24 - Socialist Systems and Transitional Economies: National Income, Product, and Expenditure; Money; Inflation2
- P27 - Socialist Systems and Transitional Economies: Performance and Prospects2
- Q41 - Energy: Demand and Supply; Prices2