economic research service usda changing structure of global food consumption and trade wrs 01 1 g118 67 introduction t he organic foods market is supported by consumers in nearly every developed country the world with international centre itc data indicating 1997 sales 10 5 billion europe united states japan 1999 many conclusions previously presented regarding consumer behavior also apply preferences change response to income changes chapters 2 lifestyle decisions chapter 3 are dependent on age safety concerns shaping demand 7 spurring interest distinguished from non methods used their production processing rather than observable or testable characteristics although there no single regulation all generally accepted rules prohibit use synthetic fertilizers pesticides growth regulators livestock feed additives require long term soil management emphasis animal welfare extensive record keeping planning certain activities such as genetically modified stock application sewage sludge acreage irradiation