Importing, outsourcing and pollution offshoring

Matthew A. Cole, Robert J.R. Elliott, Toshihiro Okubo, Liyun Zhang

研究成果: Article査読

抄録

Focusing on Japan over the period 1988–2013, this paper provides the first test of the extent to which pollution offshoring has occurred for this major industrial economy. In so doing, we identify whether the composition of domestic production, imports, overall trade patterns and overseas outsourcing has become more or less pollution intensive. We then focus on the role played by overseas outsourcing in pollution offshoring. Utilising a unique dataset of approximately 4000 Japanese firms for the period 2009–13, we use propensity score matching and difference-in-differences to examine how a firm's CO2 emissions intensity is affected by its decision to outsource some of its production overseas. Our results indicate that the composition of Japanese imports appear to have become dirtier and the carbon embodied within Japanese imports is larger and has grown more rapidly than the carbon embodied within exports. We also find that relative to a control group, the growth rate of pollution intensity of firms that begin overseas outsourcing is 7.3 percentage points lower in the year that they start overseas outsourcing and 7.7 percentage points lower in the following year, suggesting that outsourcing is one route through which pollution offshoring is occurring. New importers also experience slower emissions growth but the reduction is less than for new outsourcers.

本文言語English
論文番号105562
ジャーナルEnergy Economics
103
DOI
出版ステータスPublished - 2021 11

ASJC Scopus subject areas

  • 経済学、計量経済学
  • エネルギー(全般)

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