Added Currency,Community Currency and Their Running Path

Through reading literature by Krugman,Ritter and Dang Aiming,the author finds that there can be four paths for added currency and community currency.They include:the time economy which has great vitality as the public money of mutual assistance in urban communities has shown;the moralcommunity currencypopular in the rural areas which,put into a credit card voucher,will not help the poor;the social dividend tests with numerous coupons reveal an important sign that dividends develop gradually;and the small gap which resulted from the attack by network virtual currency against the government currency should be not blocked,but dredged instead.