基于数据包裹分析和多区域输入-输出分析来衡量供应链的性能:对43个国家的18个制造业部门的应用
1Faculty of Humanity-Oriented Science and Engineering, Kindai University, Japan.
Heliyon
|February 21, 2024
概括
全球供应链显示,直接生产环境生产率有所提高 (12.9%),但供应商的上游增长落后 (4.7%). 单独分析直接和间接活动对于有效的二氧化碳减排政策至关重要.
科学领域:
- 环境经济学环境经济学
- 工业生态学 工业生态学
- 供应链管理 供应链管理
背景情况:
- 全球供应链面临着越来越严格的经济和环境绩效审查.
- 传统分析往往将直接生产和间接供应商活动汇总在一起,掩盖了特定部门的挑战.
- 了解直接制造和上游供应的生产率变化对于可持续性至关重要.
研究的目的:
- 开发和应用一种新的框架来分析全球制造业供应链中的经济和环境生产率变化.
- 区分和评估直接生产活动与上游供应商间接活动的业绩.
- 通过改进供应链管理来确定对减排的政策影响.
主要方法:
- 结合数据包围分析 (DEA) 与多区域输入输出 (MRIO) 数据库.
- 开发了两个模型:直接生产活动的制造商模型和间接上游活动的供应商模型.
- 从2000年到2014年,分析了43个国家的18个制造业部门的数据.
主要成果:
- 从2000年到2014年,直接生产活动的环境生产率平均提高了12.9%.
- 在同一时期,上游供应商的环境生产率提高了4.7%,平均水平明显较低.
- 在各行各业的直接和间接供应链组成部分之间观察到不同的经济和环境生产率增长模式.
结论:
- 单独分析直接和间接的供应链活动对于准确的绩效评估至关重要.
- 调查结果强调需要针对特定行业的政策来解决生产力差距,特别是在上游供应链.
- 该研究提供了一个框架,用于确定国家在改善减排的经济和环境绩效方面取得的成功和失败.
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