Through an investigation of listed new energy vehicle (NEV) enterprises in China from 2012 to 2021, we examined the impact of three NEV non-subsidised policies on enterprise innovation quality from both production and market ends, using the PVAR model. Our study yielded several key findings. First, non-subsidised policies have an overall positive effect, with the production-market-end policy represented by the dual-credit performing the best, followed by the single production-end policy (access catalog), and the market-end policy (government procurement) having the lowest impact. This differen...
