融资渠道、政府补助与中国矿业企业研发投入
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郑明贵,张静,董娟
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Financing Channels,Government Subsidies and R&D Investment of Chinese Mining Enterprises
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Minggui ZHENG,Jing ZHANG,Juan DONG
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表4 政府补助的调节效应检验
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Table 4 Adjustment effect test of government subsidy
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变量 | 回归系数 |
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模型(5) | 模型(6) |
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EnFund | 0.0117*** | 0.0131*** | | (6.15) | (7.65) | ExFund | 0.0105*** | 0.0109*** | | (8.61) | (9.15) | Sub | 0.0322 | 0.1620*** | | (0.94) | (4.32) | EnFund × Sub | | 0.0079*** | | | (5.14) | Size | -0.4500*** | -0.4140*** | | (-22.24) | (-21.50) | Age | -0.5130*** | -0.5340*** | | (-5.12) | (-6.05) | Share | 0.0069*** | 0.0075*** | | (2.87) | (3.27) | Cap | 1.7900*** | 1.8440*** | | (10.26) | (11.40) | Growth | -0.0471** | -0.0421** | | (-2.35) | (-2.04) | year | 控制 | 控制 | cons | 12.2500*** | 11.3600*** | | (23.87) | (24.05) | Wald chi2 | 991.59*** | 1 458.19*** | N | 847 | 847 |
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