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The Bayes Inference for the Loss and Risk Functions of Parameters in Normal and Lognormal Distribution

DING Xin-yue;XU Mei-ping;School of Science,Beijing Technology and Business University;  
Under the conjugate prior distribution,Bayes estimates and conservative conditions of the loss and risk functions of scale parameter in normal model and shape parameter in lognormal model are given,and the rationalities of these conditions are discussed in the paper. Then the data respectively on weekly closed prices of China Petrochemical and Ordos stocks in CSI 300 are analyzed to support the conclusion.
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