- D10 - Household Behavior: General3
- D11 - Consumer Economics: Theory2
- D12 - Consumer Economics: Empirical Analysis1
- D13 - Household Production and Intrahousehold Allocation1
- D14 - Household Saving; Personal Finance1
- D21 - Firm Behavior: Theory2
- D24 - Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity3
- D30 - Distribution: General1
- D31 - Personal Income, Wealth, and Their Distributions6
- D40 - Market Structure, Pricing, and Design: General2
- D41 - Market Structure, Pricing, and Design: Perfect Competition1
- D42 - Market Structure, Pricing, and Design: Monopoly4
- D43 - Market Structure, Pricing, and Design: Oligopoly and Other Forms of Market Imperfection1
- D50 - General Equilibrium and Disequilibrium: General4
- D51 - Exchange and Production Economies2
- D52 - Incomplete Markets2
- D58 - Computable and Other Applied General Equilibrium Models4
- D60 - Welfare Economics: General1
- D61 - Allocative Efficiency; Cost-Benefit Analysis1
- D62 - Externalities2