Efficiency of Two-Stage Technological Innovation in High Patent-Intensive Industries That Considers Time Lag: Research Based on the SBM-NDEA Model

الملخص EN

Considering time lag and accumulation of inputs and outputs, this paper adopts the superefficiency data envelopment analysis (DEA) model to study the technological innovation efficiency of high patent-intensive industries using panel data from 2007 to 2017.

Given the characteristics and the actual circumstances of the industries, the innovation process is divided into two stages, and an input-output indicator system is established.

The results show that the overall innovation efficiency level of high patent-intensive industries in China is increasing.

However, the R&D achievements in technology are not quickly applied or sufficiently transformed.