Study on Validity of Logistics Risk Early Warning Model in Manufacturing Enterprises: Based on the Listed Corporation of Manufacturing Industry in Beijing Area

In order to formulate the logistics risk early warning model of listed corporations of manufacturing industry in Beijing area,40 A-stock listed companies of manufacturing enterprise in Beijing area are taken as the study samples, the principal components analysis method is applied to the logistics risk index of Sample Firms in 2009-2011 for extracting principal components to achieve simplified indicators. The validity of the constructed model is tested, the strengths and limitations of the early warning model are analyzed and the ways to improve the validity of the early warning model are proposed.