当前国际经济环境 政府债务占国民生产总值的百分比 Primarilyhighly developed countries Primarily rapidly developing countries Source: CIA World Fact Book 2011 美债危机 欧债危机 很多国家债务缠身 用你所有 换你所需
When you sellyour account is credited 当企业销售,易货账户计收入 (for the same value as if you sold your spare time / capacity for cash) $0 $1,000 $2,000 $3,000 Made sale worth $3,000 $3,000 销售 用你所有 换你所需
30.
When you buyyour account is debited 当企业采购,易货账户计支出 (for the same value as if you purchased using cash) $0 $1,000 $2,000 $3,000 Made purchase worth $2,500 采购 $2,500 -$1,000 -$2,000 用你所有 换你所需
31.
Accounts balance overa period of time 账户保持平衡 (you do not buy and sell at the same time) $0 $1,000 $2,000 $3,000 -$1,000 -$2,000 Balance left in account = $500 用你所有 换你所需