Article(id=1153992831984198546, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153992827261412198, articleNumber=1671-1807(2025)05-0224-11, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1724688000000, receivedDateStr=2024-08-27, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1753062931295, onlineDateStr=2025-07-21, pubDate=1741536000000, pubDateStr=2025-03-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753062931295, onlineIssueDateStr=2025-07-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753062931295, creator=13701087609, updateTime=1753062931295, updator=13701087609, issue=Issue{id=1153992827261412198, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='5', pageStart='1', pageEnd='368', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1753062930169, creator=13701087609, updateTime=1753063450817, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1153995011059340165, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153992827261412198, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1153995011063534470, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153992827261412198, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=224, endPage=234, ext={EN=ArticleExt(id=1153992832743367577, articleId=1153992831984198546, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=“Siphon” or “Feedback”? Economic Radiation Effect of the “Belt and Road” Central Cities in Southwest China, columnId=1151877659354558495, journalTitle=Science Technology and Industry, columnName=Regional Practice, runingTitle=null, highlight=null, articleAbstract=
Under the requirements of high-quality development and regional coordination, the construction of the “Belt and Road” Initiative in southwest China not only needs to consider the radiation capacity of the policy center city, but also needs to focus on its impact on the surrounding areas. Based on the panel data of 13 central cities of the “Belt and Road” in Southwest China from 2014 to 2021, using the economic radiation model under Fourier’s law, the economic radiation capacity of the central city was measured based on the growth pole theory, center-periphery theory and industrial gradient theory. Based on this, considering the moderating effect of industrial isomorphism and the stage characteristics of the radiation effect, the high-dimensional fixed-effect model and threshold regression model were used to empirically analyze the economic radiation effect of the central city, and further verify it through the “U” test. The results show that the “siphon” and “feedback” effects of the economic radiation of the central cities of the “Belt and Road” in Southwest China exist at the same time and show phased characteristics with different economic radiation intensities, but the long-term performance is “feedback” effect, which is strengthened by industrial isomorphism, indicating that the implementation of the “Belt and Road” policy has a significant role in promoting the development of Southwest China.
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“一带一路”建设是一项系统工程,在高质量发展与区域协调的要求下,西南地区“一带一路”建设不仅需要考虑政策中心城市的辐射能力,还需重点考察其对周边地区产生的影响。选取2014—2021年西南地区13个“一带一路”中心城市的面板数据,基于增长极理论、中心-外围理论、产业梯度理论,采用傅里叶定律下的经济辐射模型测算中心城市经济辐射能力。在此基础上,考虑产业同构的调节作用与辐射效应的阶段性特征,应用高维固定效应模型与门槛回归模型对中心城市经济辐射效应进行实证分析,并通过“U”型检验进一步验证。研究发现,西南地区“一带一路”中心城市经济辐射“虹吸”与“反哺”效应同时存在且随经济辐射强度不同呈现阶段性特征,但长期来看表现为“反哺”效应,产业同构强化了该效应,说明“一带一路”政策施行对于西南地区协调发展有显著的促进作用。
, correspAuthors=向星宇, authorNote=null, correspAuthorsNote=
向星宇(2000—),男,重庆人,硕士研究生,研究方向为宏观经济与政策评估。
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黄丽君(1988—),女,湖南衡阳人,博士,副教授,研究方向为财税理论、区域经济。
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黄丽君(1988—),女,湖南衡阳人,博士,副教授,研究方向为财税理论、区域经济。
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黄丽君(1988—),女,湖南衡阳人,博士,副教授,研究方向为财税理论、区域经济。
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| 傅里叶导热微分方程模型 | 西南地区“一带一路”中心城市经济辐射模型 |
| 模型:$\frac{\Delta Q}{\Delta t}$=-k$\frac{\Delta T}{\Delta y}$S | 模型:R=η$\frac{\Delta E}{L}$C |
含义: ΔQ为热量变化量;Δt为时间变化量;ΔT为高热量物体与低热量物体之间的热量梯度;k为介质热传导系数;Δy为介质长度;S为介质法平面面积 | 计算方法及含义: $\Delta E=\sqrt{\sum _{i=1}^{3}({X}_{i}-{x}_{i}{)}^{2}}$$\eta =\frac{\rho }{L}$$\rho =\frac{\Delta GDP}{freight-volume}$ | C为用中心城市所在省的运输行业从业人员与水路、公路、铁路里程的乘积来衡量;GDPc为中心城市的生产总值;Xi为用中心城市所在省份一二三产业的增加值占GDP比重来度量,i=1、2、3;xi为用目标国家的第一二三产业增加值占GDP比重来度量,i=1、2、3;ΔGDP为用中心城市所在省的生产总值增长量来度量;freight-volume为中心城市所在省通过各种运输方式运送的货物总量;L为用中心城市与目标国家的经纬度测算得出的直线距离 |
| 原理:热量通过导热介质从高温向低温传导。传导的效率与介质的材料性能有关 | 原理:“一带一路”经济辐射由高要素禀赋地区向低要素禀赋地区辐射。“一带一路”城市辐射能力的大小与交通状况和经济结构差异有关 |
), ArticleFig(id=1245743559966569120, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992831984198546, language=CN, label=表1, caption=
西南地区“一带一路”中心城市对外经济辐射能力测度模型
, figureFileSmall=null, figureFileBig=null, tableContent=
| 傅里叶导热微分方程模型 | 西南地区“一带一路”中心城市经济辐射模型 |
| 模型:$\frac{\Delta Q}{\Delta t}$=-k$\frac{\Delta T}{\Delta y}$S | 模型:R=η$\frac{\Delta E}{L}$C |
含义: ΔQ为热量变化量;Δt为时间变化量;ΔT为高热量物体与低热量物体之间的热量梯度;k为介质热传导系数;Δy为介质长度;S为介质法平面面积 | 计算方法及含义: $\Delta E=\sqrt{\sum _{i=1}^{3}({X}_{i}-{x}_{i}{)}^{2}}$$\eta =\frac{\rho }{L}$$\rho =\frac{\Delta GDP}{freight-volume}$ | C为用中心城市所在省的运输行业从业人员与水路、公路、铁路里程的乘积来衡量;GDPc为中心城市的生产总值;Xi为用中心城市所在省份一二三产业的增加值占GDP比重来度量,i=1、2、3;xi为用目标国家的第一二三产业增加值占GDP比重来度量,i=1、2、3;ΔGDP为用中心城市所在省的生产总值增长量来度量;freight-volume为中心城市所在省通过各种运输方式运送的货物总量;L为用中心城市与目标国家的经纬度测算得出的直线距离 |
| 原理:热量通过导热介质从高温向低温传导。传导的效率与介质的材料性能有关 | 原理:“一带一路”经济辐射由高要素禀赋地区向低要素禀赋地区辐射。“一带一路”城市辐射能力的大小与交通状况和经济结构差异有关 |
), ArticleFig(id=1245743560109175476, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992831984198546, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 样本数 | 平均值 | 标准差 | 最小值 | 最大值 |
| SCE | 104 | 309 581.000 | 172 531.000 | 87 360.000 | 856 154.000 |
| GDPc | 104 | 1 421.146 | 1 545.819 | 100.120 | 7 222.500 |
| R | 104 | 17 874.000 | 12 329.000 | 5 888.000 | 47 975.000 |
| Rc | 104 | 2 454.000 | 2 357.000 | 377.000 | 12 441.000 |
| M | 91 | 1.470 | 1.110 | 0.610 | 5.846 |
| GEPU | 104 | 193.516 | 64.547 | 106 157.000 | 317.046 |
| XM | 104 | 19 606.320 | 4 301.690 | 13 587.800 | 27 161.600 |
| IC | 104 | 0.961 | 0.021 | 0.880 | 0.992 |
| lnFI | 104 | 16.211 | 0.894 | 12.202 | 17.915 |
| lnFDI | 98 | 8.578 | 1.835 | 2.708 | 12.328 |
| lnGI | 104 | 13.681 | 0.880 | 12.070 | 15.692 |
| lnConsumption | 104 | 15.108 | 1.320 | 5.472 | 17.337 |
| lnEmployment | 104 | 2.362 | 0.869 | 1.026 | 4.230 |
| lnTL | 104 | 8.554 | 1.655 | 5.484 | 12.063 |
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变量描述性统计
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| 变量 | 样本数 | 平均值 | 标准差 | 最小值 | 最大值 |
| SCE | 104 | 309 581.000 | 172 531.000 | 87 360.000 | 856 154.000 |
| GDPc | 104 | 1 421.146 | 1 545.819 | 100.120 | 7 222.500 |
| R | 104 | 17 874.000 | 12 329.000 | 5 888.000 | 47 975.000 |
| Rc | 104 | 2 454.000 | 2 357.000 | 377.000 | 12 441.000 |
| M | 91 | 1.470 | 1.110 | 0.610 | 5.846 |
| GEPU | 104 | 193.516 | 64.547 | 106 157.000 | 317.046 |
| XM | 104 | 19 606.320 | 4 301.690 | 13 587.800 | 27 161.600 |
| IC | 104 | 0.961 | 0.021 | 0.880 | 0.992 |
| lnFI | 104 | 16.211 | 0.894 | 12.202 | 17.915 |
| lnFDI | 98 | 8.578 | 1.835 | 2.708 | 12.328 |
| lnGI | 104 | 13.681 | 0.880 | 12.070 | 15.692 |
| lnConsumption | 104 | 15.108 | 1.320 | 5.472 | 17.337 |
| lnEmployment | 104 | 2.362 | 0.869 | 1.026 | 4.230 |
| lnTL | 104 | 8.554 | 1.655 | 5.484 | 12.063 |
), ArticleFig(id=1245743560427942604, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992831984198546, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 因变量:SCE |
| 模型1 | 模型2 | 模型3 | 模型4 | 模型5 |
| R | | 2.960***(2.82) | 1.892***(4.37) | 1.892**(2.69) | -24.729**(-3.33) |
| IC | | | | | 350 414.7(0.89) |
| IC×R | | | | | 21.25**(2.14) |
| GDPc | 44***(3.26) | 42***(3.29) | 91***(7.89) | 91***(6.02) | 104***(7.14) |
| lnFI | 40 561.09**(2.20) | 40 744**(2.29) | 17 093**(2.00) | 17 093***(3.48) | 20 002**(3.44) |
| lnGI | 83 036***(3.14) | -19 139(-1.55) | 29 679*(1.67) | 29 679(1.09) | 0.006 7(0.72) |
| lnTL | 8 327(0.56) | 399(0.02) | -10 282(-1.39) | -10 282**(-2.97) | 0.33(1.18) |
| lnFDI | 17 418***(2.80) | 28 822***(2.96) | 1 330(0.39) | 1 330(1.08) | -0.11(-0.25) |
| lnConsumption | -14 341(-1.13) | -19 139(-1.55) | 234(0.06) | 234(0.17) | 0.004 5(1.02) |
| lnEmployment | -57 270***(-2.94) | -45 679***(-1.08) | 46 759(1.36) | 46 759(0.8) | -1 948*(-1.72) |
| 常数项 | -1 118 340**(-2.24) | -1 015 076**(-2.16) | -571 100**(-2.13) | -571 100(-1.73) | 227 677***(5.51) |
| 个体固定 | | | Yes | Yes | Yes |
| 聚类标准误(年) | | | | Yes | Yes |
| 调整的可决系数 | 0.548 9 | 0.581 1 | 0.969 1 | 0.969 1 | 0.977 2 |
| 样本数 | 104 | 104 | 104 | 104 | 104 |
), ArticleFig(id=1245743560591520479, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992831984198546, language=CN, label=表3, caption=
基准回归与产业同构实证结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 因变量:SCE |
| 模型1 | 模型2 | 模型3 | 模型4 | 模型5 |
| R | | 2.960***(2.82) | 1.892***(4.37) | 1.892**(2.69) | -24.729**(-3.33) |
| IC | | | | | 350 414.7(0.89) |
| IC×R | | | | | 21.25**(2.14) |
| GDPc | 44***(3.26) | 42***(3.29) | 91***(7.89) | 91***(6.02) | 104***(7.14) |
| lnFI | 40 561.09**(2.20) | 40 744**(2.29) | 17 093**(2.00) | 17 093***(3.48) | 20 002**(3.44) |
| lnGI | 83 036***(3.14) | -19 139(-1.55) | 29 679*(1.67) | 29 679(1.09) | 0.006 7(0.72) |
| lnTL | 8 327(0.56) | 399(0.02) | -10 282(-1.39) | -10 282**(-2.97) | 0.33(1.18) |
| lnFDI | 17 418***(2.80) | 28 822***(2.96) | 1 330(0.39) | 1 330(1.08) | -0.11(-0.25) |
| lnConsumption | -14 341(-1.13) | -19 139(-1.55) | 234(0.06) | 234(0.17) | 0.004 5(1.02) |
| lnEmployment | -57 270***(-2.94) | -45 679***(-1.08) | 46 759(1.36) | 46 759(0.8) | -1 948*(-1.72) |
| 常数项 | -1 118 340**(-2.24) | -1 015 076**(-2.16) | -571 100**(-2.13) | -571 100(-1.73) | 227 677***(5.51) |
| 个体固定 | | | Yes | Yes | Yes |
| 聚类标准误(年) | | | | Yes | Yes |
| 调整的可决系数 | 0.548 9 | 0.581 1 | 0.969 1 | 0.969 1 | 0.977 2 |
| 样本数 | 104 | 104 | 104 | 104 | 104 |
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| 类别 | F | P | 5% | 1% | 10% |
| 单一门槛 | 24.52 | 0.006 7 | 10.355 2 | 15.154 3 | 23.965 8 |
| 双重门槛 | 2.09 | 0.603 3 | 7.145 2 | 9.173 2 | 14.111 5 |
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门槛检验结果
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| 类别 | F | P | 5% | 1% | 10% |
| 单一门槛 | 24.52 | 0.006 7 | 10.355 2 | 15.154 3 | 23.965 8 |
| 双重门槛 | 2.09 | 0.603 3 | 7.145 2 | 9.173 2 | 14.111 5 |
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| 模型 | 门槛值 | 95%置信区间 |
| Th-1 | 21 237.1 | [20 254.2,22 120.9] |
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门槛估计结果
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| 模型 | 门槛值 | 95%置信区间 |
| Th-1 | 21 237.1 | [20 254.2,22 120.9] |
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| 变量 | 系数 | 稳健标准差 | t | P | 95%置信区间 |
0≤Rc< 21 237.1 | -0.679 782 1 | 0.369 496 5 | -1.84 | 0.091 | [-1.484 846 0, 0.125 281 7] |
21 237.1≤ Rc | 0.942 037 2 | 0.389 112 7 | 2.42 | 0.032 | [0.094 233 5, 1.789 841 0] |
| 控制变量 | Yes |
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门槛回归结果
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| 变量 | 系数 | 稳健标准差 | t | P | 95%置信区间 |
0≤Rc< 21 237.1 | -0.679 782 1 | 0.369 496 5 | -1.84 | 0.091 | [-1.484 846 0, 0.125 281 7] |
21 237.1≤ Rc | 0.942 037 2 | 0.389 112 7 | 2.42 | 0.032 | [0.094 233 5, 1.789 841 0] |
| 控制变量 | Yes |
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| 1阶段Step-1 | R |
| L2.R | 0.510***(5.26) | |
| D.R | 0.337**(2.04) | |
| M | 1 000.512**(2.19) | |
| lnGEPU | | 38 077.42***(6.16) |
| 2阶段Step-2 | SCE |
| R | 1.832*(1.94) | 3.072 472***(3.66) |
| 控制变量 | 控制 | Yes |
| 个体固定 | Yes | Yes |
| 时间固定 | Yes | |
| Centered R2 | 0.892 2 | 0.810 2 |
| F统计量 | 13.49 | 206.96 |
| LM统计量 | 16.322 | 15.680 |
| Chi-sq(3)P-value= 0.001 | Chi-sq(1) P-val= 0.000 1 |
| Kleibergen-Paap rk | 13.488 | 37.998 |
| Wald F statistic | 15% maximal IV size 12.83 | 10% maximal IV size16.38 |
| Hansen J检验 | 0.903 Chi-sq(2) Pval=0.636 6 | |
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工具变量法DGMM运行结果
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| 1阶段Step-1 | R |
| L2.R | 0.510***(5.26) | |
| D.R | 0.337**(2.04) | |
| M | 1 000.512**(2.19) | |
| lnGEPU | | 38 077.42***(6.16) |
| 2阶段Step-2 | SCE |
| R | 1.832*(1.94) | 3.072 472***(3.66) |
| 控制变量 | 控制 | Yes |
| 个体固定 | Yes | Yes |
| 时间固定 | Yes | |
| Centered R2 | 0.892 2 | 0.810 2 |
| F统计量 | 13.49 | 206.96 |
| LM统计量 | 16.322 | 15.680 |
| Chi-sq(3)P-value= 0.001 | Chi-sq(1) P-val= 0.000 1 |
| Kleibergen-Paap rk | 13.488 | 37.998 |
| Wald F statistic | 15% maximal IV size 12.83 | 10% maximal IV size16.38 |
| Hansen J检验 | 0.903 Chi-sq(2) Pval=0.636 6 | |
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| 变量 | SCE |
| RF | lassoCV | nnet | gradboost |
| R | 1.930** (2.12) | 1.852** (2.07) | 1.766** (2.07) | 1.835** (2.09) |
| 常数项 | -2 389.952 (-0.76) | -1 694.307 (-0.589) | -1 590.545 (-0.51) | -1 998.564 (-0.522) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 个体固定 | Yes | Yes | Yes | Yes |
| 时间固定 | Yes | Yes | Yes | Yes |
| 样本数 | 98 | 98 | 98 | 98 |
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双重机器学习估计结果
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| 变量 | SCE |
| RF | lassoCV | nnet | gradboost |
| R | 1.930** (2.12) | 1.852** (2.07) | 1.766** (2.07) | 1.835** (2.09) |
| 常数项 | -2 389.952 (-0.76) | -1 694.307 (-0.589) | -1 590.545 (-0.51) | -1 998.564 (-0.522) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 个体固定 | Yes | Yes | Yes | Yes |
| 时间固定 | Yes | Yes | Yes | Yes |
| 样本数 | 98 | 98 | 98 | 98 |
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| 变量 | SCE |
| Rc | 9.013***(2.89) | -137.29**(-2.02) |
| IC | | 139 908.4(0.35) |
| IC×Rc | | 148.257**(2.13) |
| 控制变量 | 控制 | 控制 |
| 个体固定 | Yes | Yes |
| 时间固定 | Yes | Yes |
| adj.R2 | 0.979 6 | 0.980 4 |
| 样本数 | 104 | 104 |
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替换变量回归结果
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| 变量 | SCE |
| Rc | 9.013***(2.89) | -137.29**(-2.02) |
| IC | | 139 908.4(0.35) |
| IC×Rc | | 148.257**(2.13) |
| 控制变量 | 控制 | 控制 |
| 个体固定 | Yes | Yes |
| 时间固定 | Yes | Yes |
| adj.R2 | 0.979 6 | 0.980 4 |
| 样本数 | 104 | 104 |
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| 类别 | F | P | 10% | 5% | 1% |
| 单一门槛 | 40.91 | 0.000 0 | 7.606 1 | 8.945 5 | 14.697 6 |
| 双重门槛 | 14.48 | 0.036 7 | 10.208 6 | 13.402 8 | 19.869 8 |
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更换变量后的门槛检验结果
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| 类别 | F | P | 10% | 5% | 1% |
| 单一门槛 | 40.91 | 0.000 0 | 7.606 1 | 8.945 5 | 14.697 6 |
| 双重门槛 | 14.48 | 0.036 7 | 10.208 6 | 13.402 8 | 19.869 8 |
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| 模型 | 门槛值 | 95%置信区间 |
| Th-1 | 2 212.090 1 | [2 043.245,2 322.380] |
| Th-21 | 2 212.090 1 | [2 105.885,2 322.380] |
| Th-22 | 1 496 | [1 479.780,1 611.660] |
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更换变量后的门槛值估计结果
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| 模型 | 门槛值 | 95%置信区间 |
| Th-1 | 2 212.090 1 | [2 043.245,2 322.380] |
| Th-21 | 2 212.090 1 | [2 105.885,2 322.380] |
| Th-22 | 1 496 | [1 479.780,1 611.660] |
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| 变量 | 系数 | 稳健标准差 | T | P | 95%置信区间 |
0≤Rc< 1 496 | -48.956 820 | 20.538 190 | -2.38 | 0.035 | [-93.705 690, -4.207 948] |
1 496≤Rc< 2 212.09 | -18.854 120 | 6.468 561 | -2.91 | 0.013 | [-32.947 900, -4.760 335] |
2 212.09≤ Rc | 6.951 342 | 3.555 743 | 1.95 | 0.074 | [-0.795 957, 14.698 640] |
| 控制变量 | Yes |
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更换变量后的门槛回归结果
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| 变量 | 系数 | 稳健标准差 | T | P | 95%置信区间 |
0≤Rc< 1 496 | -48.956 820 | 20.538 190 | -2.38 | 0.035 | [-93.705 690, -4.207 948] |
1 496≤Rc< 2 212.09 | -18.854 120 | 6.468 561 | -2.91 | 0.013 | [-32.947 900, -4.760 335] |
2 212.09≤ Rc | 6.951 342 | 3.555 743 | 1.95 | 0.074 | [-0.795 957, 14.698 640] |
| 控制变量 | Yes |
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| 变量 | XM |
| R | 0.116***(6.33) |
| 控制变量 | 控制 |
| 个体固定 | Yes |
| 时间固定 | Yes |
| adj.R2 | 0.994 6 |
| 样本数 | 104 |
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经济辐射模型有效性检验结果
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| 变量 | XM |
| R | 0.116***(6.33) |
| 控制变量 | 控制 |
| 个体固定 | Yes |
| 时间固定 | Yes |
| adj.R2 | 0.994 6 |
| 样本数 | 104 |
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| 变量 | SCE |
| R | -2.598*(-1.82) |
| R2 | 7.99×10-5***(3.31) |
| 控制变量 | 控制 |
| 个体固定 | Yes |
| adj.R2 | 0.974 5 |
| 样本数 | 104 |
| 拐点 | 16 264.7 |
| U检验 | t=1.44,P=0.077 |
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“U”型检验结果
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| 变量 | SCE |
| R | -2.598*(-1.82) |
| R2 | 7.99×10-5***(3.31) |
| 控制变量 | 控制 |
| 个体固定 | Yes |
| adj.R2 | 0.974 5 |
| 样本数 | 104 |
| 拐点 | 16 264.7 |
| U检验 | t=1.44,P=0.077 |
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