Research Article
Research on Innovation Performance in Heterogeneous Region: Evidence from Yangtze Economic Belt in China
Table 1
The evaluation index of input and output performance of R&D resources.
| | Type | First grade indicator | Second grade indicator |
| | Input indicator | R&D input | R&D expenditure per unit of GDP
R&D personnel of full-time equivalent (ten thousand/year) |
| | Output indicator | Patent output
Innovation output | Number of patents per thousand
Number of scientific papers per thousand
High-tech product output rate |
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