21. In some urban areas co-operatives were formed based on barter systems to share what was available. 22. The two parties aren't forced to simply trust each other, as in a traditional barter system . 23. The shortage of cash caused the black market to use a barter system , which was inefficient. 24. But that means a barter system is only as good as the number of listings it provides. 25. The barter system existed among the Noctes. 26. They still work on the barter system . 27. The business people often use the local currency in one another's businesses, much like a barter system . 28. This inability to consistently match buyers and sellers has always been the crippling defect of barter systems . 29. New barter system saves precious cash, NATION 30. Instead, he follows a barter system , giving prisoners magazines or postage, depending on what state laws allow.
