- WIR 000: Belonging to the Subject; not further Classified
- WIR 001: Economics in General
- WIR 020: Microeconomic Theory
- WIR 021: Equilibrium and Allocation Theory; Welfare Theory
- WIR 023: Uncertainty and Information Theory
- WIR 025: Expectations
- WIR 027: Organisational Theory
- WIR 028: Economic Sociology
- WIR 029: Industrial Ecology
- WIR 030: Budgeting Theory
- WIR 040: Market Theory; Pricing Theory
- WIR 047: Market and Pricing Policy
- WIR 049: Other
- WIR 021: Equilibrium and Allocation Theory; Welfare Theory
- WIR 050: Macroeconomic Theory
- WIR 055: Short-Term Statistical Models (Equilibrium Models)
- WIR 060: Short-Term Dynamic Models (Disequilibrium Models)
- WIR 065: Income and Employment Theory
- WIR 070: Economic Cycle Theory
- WIR 080: Investment Function
- WIR 085: Consumption Function; Savings Function
- WIR 090: Production Factors and Distribution Quota
- WIR 099: Other
- WIR 055: Short-Term Statistical Models (Equilibrium Models)
- WIR 100: Growth and Development Theory
- WIR 150: Money and Credit
- WIR 200: Foreign Economy
- WIR 201: International Movement / Trade of Goods and Services
- WIR 210: Foreign Trade Policy
- WIR 215: World Trade Order
- WIR 220: Monetary Foreign Economy
- WIR 229: Development Aid
- WIR 230: International Monetary System
- WIR 235: Regulation / Monitoring of Foreign Currency and (Control of) Capital Movements
- WIR 240: Integration
- WIR 249: Other
- WIR 201: International Movement / Trade of Goods and Services
- WIR 250: International Organisations
- WIR 255: International Monetary Fund (IMF)
- WIR 260: World Bank Group
- WIR 265: Regional Development Banks
- WIR 270: UN Group (UNCTAD, FAO, UNIDO, ...)
- WIR 275: General Agreement on Tariffs and Trade (GATT)
- WIR 276: World Trade Organization (WTO)
- WIR 277: OECD and Development Assistance Committee (DAC)
- WIR 280: Bank for International Settlements (BIS)
- WIR 285: European Communities
- WIR 290: COMECON
- WIR 299: Other
- WIR 255: International Monetary Fund (IMF)
- WIR 300: Spatial Economic OrderSpatial Economic Order in Germany, see RPL 300
- WIR 301: Spatial Development
- WIR 302: Location Theory
- WIR 303: Ground Market; Agricultural Land Use
- WIR 304: Urban Economy; HousingHousing Policy, Housing Market, see BAU 013
- WIR 305: Infrastructure; Compression / Compactness / Concentration
- WIR 307: Regional Development; Regional Economic / Cyclical Fluctuations
- WIR 320: Regional Policy
- WIR 330: Traffic Policy
- WIR 340: Methods of Regional Analysis
- WIR 349: Other
- WIR 301: Spatial Development
- WIR 350: Population and Labor Market
- WIR 400: Finance
- WIR 450: Economic Policy
- WIR 500: Business Economics
- WIR 520: Business Studies: Procedural Support / Guidance
- WIR 530: Corporate Legal and Economic Order
- WIR 540: Corporate / Business Management, Strategic Management
- WIR 543: Decision-Making Process, Decision Theory
- WIR 545: Management Techniques
- WIR 546: Management: Information Systems
- WIR 547: Planning and Control; PrognosisQuality Management / Assurance, see WIR 896
- WIR 547: Planning and Control; Prognosis
- WIR 548: Administration
- WIR 549: Other
- WIR 543: Decision-Making Process, Decision Theory
- WIR 550: Organization
- WIR 551: Organisation(Al) Structure
- WIR 552: Process Organisation
- WIR 553: Restructuring; Company / Corporate Development
- WIR 554: Project Managementproduction planing and control see WIR 775
- WIR 555: Office Organisation
- WIR 560: Organisational Aids
- WIR 565: Sociological and Psychological Aspects
- WIR 570: Information (Information Flow, Types of Information; Lines of Communication)
- WIR 575: CommunicationSystems Theory, Kybernetics, see MSR 550 ff
- WIR 599: Other
- WIR 551: Organisation(Al) Structure
- WIR 600: Research and Development in CompaniesTechnical Research and Development, see TEC 320 ff
- WIR 605: Technical Progress / Advancement
- WIR 610: Long-Term Technological Planning
- WIR 620: Research and Development, in General
- WIR 623: Management of Research and Development
- WIR 625: Patents; LicencesPatent Laws, see JUR 250
- WIR 623: Management of Research and Development
- WIR 630: Rationalisation; Automation
- WIR 640: Knowledge Management; Organizational Learning
- WIR 649: Other
- WIR 605: Technical Progress / Advancement
- WIR 650: Accounting / Accountancy; Financial Management
- WIR 651: Business Calculation; Financial Mathematics
- WIR 652: Accounting / Billing
- WIR 660: Costs-Performance Ratio
- WIR 663: Operating Cost and Revenue Statement
- WIR 670: InvestmentCapital Market, see WIR 160
- WIR 680: Financial Management / Business Finance; Financing
- WIR 651: Business Calculation; Financial Mathematics
- WIR 690: Company Taxation
- WIR 700: Human ResourcesErgonomics, see TEC 900 ff
- WIR 705: Industrial Psychology; Personnel Information Systems; Personnel Data Processing
- WIR 710: Human Resource Management and Motivation
- WIR 715: Job Evaluation / Job Assessment
- WIR 720: Salary Systems
- WIR 725: Co-Determination and Co-Ownership
- WIR 730: In-House Training; Advanced Training / Skill Enhancement
- WIR 740: Corporate / Industrial Sociology
- WIR 749: Other, Job Application
- WIR 705: Industrial Psychology; Personnel Information Systems; Personnel Data Processing
- WIR 750: Production and Materials Management; Lean Production
- WIR 800: Marketing
- WIR 803: Market Research
- WIR 810: Strategic Marketing
- WIR 820: Sales Policy Instruments
- WIR 825: Marketing Approach; Sales Channels and Organisation
- WIR 830: Corporate Price Policy
- WIR 835: Product Design and Compilation of Product Range; Packaging
- WIR 837: Product Planning; Product Strategies
- WIR 839: Services Marketing
- WIR 840: Advertising; Public Relations
- WIR 849: Other
- WIR 803: Market Research
- WIR 850: Revision and Controlling
- WIR 900: Individual Business Sectors and their Business Studies
- WIR 901: Business History
- WIR 905: Banking Management
- WIR 910: Cooperatives
- WIR 915: Commercial Enterprises / Retail Trade
- WIR 917: E-CommerceLegal Aspects see JUR 148
- WIR 917: E-Commerce
- WIR 920: Business Economics of Skilled Trades
- WIR 925: Home Economics / Financial Management
- WIR 930: Industrial Economics
- WIR 935: Service Enterprises
- WIR 949: Other
- WIR 901: Business History