It won't. The more industrious will barter at a gain while others will barter at a loss. Consider food stamps. Some will trade them $2 of stamps for $1 of ca

It won't. The more industrious will barter at a gain while others will barter at a loss. Consider food stamps. Some will trade them $2 of stamps for $1 of cash. But others will buy food, cook and then sell the food, bringing in $2 dollars of cash for $1 of stamps.