| 变量 | ln(OFDI) | G | M | ln(GDP) | ln(TRADE) | TAX | RESOURCE | ln(EDIST) |
| ln(OFDI) | 1 |
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| G | 0.13 | 1 |
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| M | 0.20 | 0.52 | 1 |
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| ln(GDP) | 0.12 | −0.02 | −0.05 | 1 |
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| ln(TRADE) | 0.05 | 0.10 | 0.10 | 0.44 | 1 |
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| TAX | −0.03 | 0.06 | 0.09 | 0.25 | 0.18 | 1 |
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| RESOURCE | −0.12 | 0.03 | −0.01 | 0.41 | 0.31 | 0.14 | 1 |
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| ln(EDIST) | 0.21 | 0.09 | 0.15 | −0.37 | −0.08 | −0.14 | −0.32 | 1 |