Type | Vriable | Definition |
Explained variable | rdint | represents the innovation input intensity, equal to R&D input/operating income |
Explanatory variable | longings | proportion of long-term fund shareholding in total outstanding shares |
shortings | proportion of short-term fund shareholding in total outstanding shares | |
Control variable | lna | natural log of total assets |
gassets | total asset growth rate | |
gsales | operating income growth rate | |
lev | asset-liability ratio | |
current | current ratio | |
roa | asset net interest rate | |
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rt | accounts receivable turnover | |
it | inventory turnover | |
sum10 | total shareholding ratio of the top 10 shareholders |