Proceedings of the Fourth International Conference on Economic and Business Management (FEBM 2019)

Measuring the superposition of industrial policies on the key technology chains of new energy vehicles,using multiple regression models to explore the impact of the superposition of various policy measures on overall coordination .The result shows the multiple superposition of existing industrial policies has a limited effect on effectively promoting the development of new energy vehicle industry technology, and the adjustment of future policy should be based on dynamic monitoring of key technology chains.