1 “... agriculture, most of the costs appear to arise from trade barriers levied on imports since these barriers tend...”

2 “... is employed to examine the impact first of current trade barriers and agricultural subsidies...”

3 “...For individual countries, variable trade barriers can be used to reduce the volatility of domestic...”

4 “... of the global economy to examine the impact first of current trade barriers and agricultural subsidies...”

5 “... because of government regulation or through other barriers to entry, distortions may arise that call...”