“…Expenditure shares may not be the best measure to characterize preference hierarchies. Values for V could be based on stated preference choice experiments, a method that has been employed to identify country of origin effects (see for example, Unterschultz et al, 1998;Kim et al, 2000). 15 The commodities are wheat, other grains, oilseeds, sugar, raw milk, cattle and sheep, pigs and poultry, other agriculture, meat processing, other meat processing, vegetable oils and fats, milk processing, sugar processing, other food processing, other primary, manufacturing and services.…”