PROBLEM TO BE SOLVED: To produce a social welfare economic environment which is satisfied.;SOLUTION: A government linkage social welfare primary balance linkage surplus balance is calculated in arithmetic calculation, for supplying sufficient money to all social welfare organizations for expanding a real estate finance whole transmission linkage social welfare property, then, a transaction amount between companies required for the calculated surplus balance and social welfare, then, the social welfare income is gradually expanded.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2017,JPO&INPIT
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