assistance and support provided to a customer. This particular usage occurs frequently in retailing. In international law Distinctions are made between goods and services in the context of international trade liberalization. For example, the World Trade Organization's General Agreement on Tariffs and Trade (GATT) covers international trade in goods and the General Agreement on Trade in Services (GATS) covers the services sector. See also Commodity (Marxism) Fast-moving consumer goods Goods and services tax List of countries by GDP sector composition Tertiary sector of the economy Three-sector model References Further reading 274 pages. 64 pages. Smith, Adam. The Wealth of Nations at Project Gutenberg External links International Classification of Goods and Services at World Intellectual Property Organization Electronic Code of Federal Regulations at Code of Federal Regulations Nice Agreement Tenth Edition – General Remarks, Class Headings and Explanatory Notes – Version 2012 Goods (economics) Services (economics)