Journal of Natural Resources, Volume. 35, Issue 2, 413(2020)

Effectiveness of industrial water price leverage: Based on simultaneous equation model

Xiao-ji HU1... Li TANG2, Ya-hui LIU2 and Xiao-dan DONG2,* |Show fewer author(s)
Author Affiliations
  • 1School of Finance, Renmin University of China, Beijing 100872, China
  • 2School of Agriculture Economics and Rural Development, Renmin University of China, Beijing 100872, China
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    Figures & Tables(4)
    • Table 1. Selection and descriptive statistics of variables

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      Table 1. Selection and descriptive statistics of variables

      变量名称变量符号均值标准差最小值最大值中位数
      工业用水量/103 m3Water40991.3051693.40300.00310000.0025220.00
      工业自来水价格/(元/t)Price3.261.161.256.603.00
      工业企业数Indnum1461.501537.7587.007286.00951.00
      工业企业平均产值/103Ave_output32836.7015698.1010736.20100000.0030303.50
      供水固定资产投资/103Investment18302.0039371.6089.00240000.005980.50
      水资源总量/亿m3Resource72.9886.891.60419.3038.36
      建成区供水管道密度/(km/km2)Density12.846.603.5536.6911.23
      工业企业平均利润/亿元Ave_profit0.190.15-0.050.970.16
      工业企业用水重复利用率/%Reuserate46.9540.480.0098.4450.76
    • Table 2. Estimation results of the models

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      Table 2. Estimation results of the models

      变量名称模型1 OLS模型2 2SLS模型3 3SLS模型4 3SLS_iter
      Water
      Price-0.857***-3.412***-3.424***-3.426***
      (-4.76)(-4.42)(-4.51)(-4.50)
      Indnum0.797***0.891***0.889***0.889***
      (13.41)(10.22)(10.42)(10.38)
      Ave_output0.483***0.881***0.895***0.897***
      (3.42)(3.87)(4.45)(4.43)
      常数项0.575-1.309-1.427-1.441
      (0.38)(-0.60)(-0.72)(-0.72)
      Price
      Water-0.0310.085**0.112***0.112***
      (-1.35)(2.06)(2.89)(2.80)
      Resource-0.074***-0.122***-0.146***-0.147***
      (-3.39)(-4.54)(-5.88)(-5.67)
      Investment0.051***0.031*-0.000-0.001
      (3.41)(1.86)(-0.01)(-0.07)
      Density0.015-0.047-0.091**-0.092*
      (0.29)(-0.82)(-1.99)(-1.93)
      Ave_profit0.174-0.0430.0420.045
      (0.84)(-0.19)(0.22)(0.23)
      常数项1.192***0.565**0.749***0.755***
      (5.87)(2.01)(2.77)(2.68)
      N216216216216
      R20.476-0.021-0.026-0.026
    • Table 3. Subregion estimation results of 3SLS model

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      Table 3. Subregion estimation results of 3SLS model

      变量名称东部地区中部地区西部地区
      Water
      Price-2.346***-1.852**-9.387
      (-3.60)(-2.36)(-1.43)
      Indnum0.515**0.0150.755
      (2.23)(0.04)(0.65)
      Ave_Output0.371*0.703**1.461**
      (1.77)(2.12)(2.45)
      常数项2.6520.012-8.299
      (1.19)(0.00)(-1.03)
      Price
      Water0.062-0.0030.168**
      (1.41)(-0.05)(2.55)
      Resource-0.158***-0.133***-0.076**
      (-4.65)(-4.05)(-2.39)
      Investment0.034*0.025-0.025
      (1.66)(1.38)(-1.19)
      Density-0.153**-0.186**-0.126
      (-2.36)(-2.33)(-1.46)
      Ave_profit-0.2970.300-0.017
      (-0.87)(0.82)(-0.08)
      常数项1.366***1.620***0.273
      (4.77)(3.07)(0.62)
      N976653
      R20.3790.310-4.157
    • Table 4. Estimation results of industrial water's reuse rate

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      Table 4. Estimation results of industrial water's reuse rate

      变量名称OLSWLS
      Price16.870**17.850**
      (2.28)(2.43)
      Resource-7.370***-7.470***
      (-3.39)(-3.45)
      Indnum13.080***13.570***
      (5.20)(5.54)
      常数项-33.940*-38.000**
      (-1.89)(-2.13)
      N216216
      R20.1770.187
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    Xiao-ji HU, Li TANG, Ya-hui LIU, Xiao-dan DONG. Effectiveness of industrial water price leverage: Based on simultaneous equation model[J]. Journal of Natural Resources, 2020, 35(2): 413

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    Paper Information

    Received: Jan. 2, 2019

    Accepted: --

    Published Online: Sep. 25, 2020

    The Author Email: DONG Xiao-dan (windyfeng@vip.sina.com)

    DOI:10.31497/zrzyxb.20200213

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