| 41. | Many of them haven't been paid in months, having to use a barter system to acquire the bare essentials.
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| 42. | It is also different from a barter system, where property rights are central to the idea behind barter and exchange.
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| 43. | Some of the most advanced networks take place with virtual economies that may use a barter system or currency system.
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| 44. | Instead, each barter system uses its own in-house currency, a kind of Monopoly money that works only within that system.
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| 45. | It is likely that early hominid forms used a barter system : two of your reindeer hides for my axe.
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| 46. | Those who joined the exchange agreed to carry out transactions without the use of money, a barter system using exchange notes.
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| 47. | Aja, former vice president of the Arizona Wool Producers, said many of the Basques in Arizona worked on a barter system.
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| 48. | A new economic system based on monetary exchange replaced the barter system allowing people the freedom to move about the empire.
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| 49. | The company expects to reach sales value among members using the barter system of Bt8 billion over the next five years.
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| 50. | Sticking to the informal style that was characteristic of the Net's early days, they have tended to use a rough-and-ready barter system.
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