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Variables | Symbol | Description |
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Dependent variables | R&D investment intensity | RDINV | Expenditures by a firm on its research and development divided by the firm’s sales. |
Operating profit margin | OPGR | It is calculated by dividing the operating profit by total revenue. |
Rate of return on net assets | NAIR | A ratio of net income to the average total assets. |
Operating income growth rate | OIGR | Ratio of increase in operating revenue of current period to prior current period. |
Growth rate of total assets | TAGR | Ratio of increase in total assets to total assets. |
Cash flow ratio | CASHCL | Ratio of net cash flow from operating activities to incur debts. |
Current ratio | CR | Ratio of current assets to current liabilities. |
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Independent variables | Context of venture capital | DumVC | DumVC = 1 if the names of top 10 shareholders including “entrepreneurship investment,” “venture capital,” and “science and technology investment,” or a venture capital share of more than 5%, otherwise 0. |
Degree of participation of venture capital | DumVC1 | DumVC1 = 1 if the share ratio of venture capital ranges between 5% and 15% (inclusive of 5% and 15%), otherwise 0. |
DumVC2 | DumVC2 = 1 if the share ratio of venture capital ranges between 15% and 25% (inclusive of 25%), otherwise 0. |
DumVC3 | DumVC3 = 1 if the share ratio of the venture capital ranges between 25% and 35% (inclusive of 35%), otherwise 0. |
DumVC4 | DumVC2 = 1 if the share ratio of venture capital is greater than 35%, otherwise 0. |
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Control variables | Total assets | TA | Total assets of enterprise. |
Enterprise liabilities | ALR | Ratio of total liabilities to total assets. |
Ownership structure | Zindex | Ratio of the percentage of the first major stockholder to the percentage of the second major stockholder. |
Time span | Time | Time it takes for a SME to go IPOs from start-ups. |
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