Notice of RetractionThe uncertainty disclosed of valuation and financial risk prevention

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.

Uncertainty is substantive characteristics of valuation. Main purpose of this research is to verify the existence of uncertainty factors in China asset valuation extent and its disclosure function, which is to guide information disclosure method used in valuation report, and guard of financial market bubble and financial market risk. According to anonymous questionnaires on appraiser, we got that most appraisers agree the wide existence of uncertain factors. They think disclosure of valuation results should be in certain scope of rate and have high agreement of disclosure standard in uncertain factors. The cognition and disclosure of uncertainty can improve accuracy of valuation report and faith of appraiser, avoid or decrease risk in financial market.