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Variable types | Factor types | English symbols | Interpretative statement |
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Explanatory variables | Investment timing | TIME | The initial period = 1, expansion period = 2, and maturity period = 3 |
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Explanatory variables | The development of the areas where the invested enterprises are located | AREA | A dummy variable equal to one for first-tier city (and zero otherwise) |
The innovation ability of the invested enterprises | PATENT | The number of patents |
The market competitiveness of the invested enterprises | POWER | Operating profit/operating income |
The proportion of investment by government guiding funds | EQUITY | Share ratio of subfunds of government guiding funds in enterprises |
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Control variables | The age of the invested enterprises | AGE | The operating years of the invested enterprises |
The registered capital of the invested enterprises | CAPITAL | Natural logarithm of the number of registered capital |
The size of total assets in the invested enterprises | ASSET | Natural logarithm of total assets |
The capital structure of the invested enterprises | LIA | Liabilities/total assets |
The growth of the invested enterprises | REV | Growth rate of the operating income |
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Grouping variables | The type of industries which the invested enterprises belong to | INDU | A dummy variable equal to one for the tertiary and quaternary industries, and zero for the primary and secondary industries |
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