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宋益、成金华 Direct and indirect effects of heterogeneous technical change on metal consumption intensity: Evidence from G7 and BRICS countries

发布人:胡松琴 发布时间:2022-11-29 点击次数:

宋益、成金华 Direct and indirect effects of heterogeneous technical change on metal consumption intensity: Evidence from G7 and BRICS countries

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我校经济治理学院宋益老师在T1级别期刊——《》上颁发题为“Direct and indirect effects of heterogeneous technical change on metal consumption intensity: Evidence from G7 and BRICS countries”。LUNWENDIYIZUOZHESONGYIWEIJINGJIZHILIXUEYUANTERENFUCHUANSHOU。

Abstract /择要:

To improve metal utilization efficiency, the effects of technical change cannot be ignored. However, existing researches often ignored the heterogeneous effects of different types of technical change on metal consumption intensity. Taking the G7 and BRICS countries as samples, this article first identifies the direct effects of heterogeneous technical change on the consumption intensity of iron ores, copper and aluminum from magnitude of technical change (MTC) and biased technical change (BTC). Then, industrial structure and metal consumption are introduced as mediating variables to identify the indirect effects of heterogeneous technical change. The results show the following: (1) there is a lag in the effect of TC on reducing metal consumption intensity and its effect on iron ore consumption intensity is the most significant. Reduction of iron ore consumption intensity mainly depends on MTC, whereas the reduction of copper and aluminum consumption intensity mainly depends on BTC. (2) The effects of heterogeneous technical change on metal consumption intensity in BRICS countries were consistent with the overall samples, while the effects of BTC on the intensity of copper and aluminum are positive in G7 countries. (3) Three types of technical change can reduce metal consumption intensity through the rationalization and advancement of industrial structure, and their effects are heterogeneous for different metals. (4) TC and BTC cannot reduce metal consumption intensity through reducing metal consumption due to a rebound effect, whereas MTC can significantly reduce iron ore consumption intensity by reducing iron ore consumption.

论文信息;

Title/标题:

Direct and indirect effects of heterogeneous technical change on metal consumption intensity: Evidence from G7 and BRICS countries

Authors/ZUOZHE:

Zhang Yijun;

Key Words /YAOHAICI:

Indexed by /JIAODIANPINGJIA:

SSCI;EI; WAJCI; INSPEC; Scopus;

Highlights /YANJIUYAODIAN

• Measure technical change and its magnitude and direction in G7 and BRICS.;

• Identify the effects of technical change on metal consumption intensity.;

• The influencing mechanism has been discussed.;

• Rationalization and advancement of industrial structure are mediator variables.;

• The rebound effect of metal consumption has been considered.

DOI:10.1016/J.RESOURPOL.2021.101995

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