貿(mào)易開(kāi)放如何影響PM2.5——基于淮河兩岸供暖政策差異的因果效應(yīng)研究
發(fā)布時(shí)間:2018-07-03 11:08
本文選題:貿(mào)易開(kāi)放 + PM.; 參考:《管理評(píng)論》2017年05期
【摘要】:本文以中國(guó)2013年實(shí)施新空氣質(zhì)量標(biāo)準(zhǔn)的74個(gè)城市橫截面數(shù)據(jù)為樣本,研究貿(mào)易開(kāi)放對(duì)PM2.5排放的因果影響程度。為了解決由于污染排放對(duì)貿(mào)易開(kāi)放的反向因果偏誤,本文使用了Blanchard和Perotti提出的兩階段工具變量方法解決內(nèi)生性。在第一階段PM2.5的工具變量選擇上,考慮到中國(guó)以淮河為界對(duì)兩岸城市實(shí)施不同的集中供暖政策,而集中供暖采用的煤炭燃燒是導(dǎo)致PM2.5排放的主要原因之一,因此選擇了各城市距離淮河一線的緯度差作為PM2.5排放的代理變量。實(shí)證結(jié)果表明PM2.5排放增加會(huì)導(dǎo)致外貿(mào)依存度顯著降低。運(yùn)用第一階段回歸的殘差,作為第二階段中貿(mào)易開(kāi)放的工具變量來(lái)解決反向因果效應(yīng),結(jié)果顯示貿(mào)易開(kāi)放會(huì)造成環(huán)境質(zhì)量的惡化。機(jī)制分析表明,貿(mào)易開(kāi)放之所以導(dǎo)致環(huán)境惡化主要是污染行業(yè)的出口造成的。
[Abstract]:Based on the cross-sectional data of 74 cities that implemented the new air quality standards in China in 2013, this paper studies the causal impact of trade liberalization on PM2.5 emissions. In order to solve the negative causal bias caused by pollution emissions to trade openness, this paper uses the two-stage instrumental variable method proposed by Blanchard and Perotti to solve the problem of endogenicity. With regard to the choice of tool variables for PM2.5 in the first stage, considering that China implements different central heating policies for cities on both sides of the strait with the Huaihe River as the boundary, the coal burning used in central heating is one of the main causes of PM2.5 emissions. Therefore, the latitude difference between the cities and the Huaihe River is chosen as the agent of PM2.5 emission. The empirical results show that the increase of PM2.5 emissions will significantly reduce the degree of dependence on foreign trade. The residual of the first stage regression is used as the tool variable of trade opening in the second stage to solve the reverse causality effect. The result shows that the trade opening will lead to the deterioration of environmental quality. The mechanism analysis shows that the environmental deterioration caused by open trade is mainly caused by the exports of polluting industries.
【作者單位】: 山東師范大學(xué)經(jīng)濟(jì)學(xué)院;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(71503281)
【分類號(hào)】:F299.24;X51
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