Impacts of China's Emissions Trading Scheme on the National and Hong Kong Economies: A Dynamic Computable General Equilibrium Analysis

In this study, we estimate the economic impacts of China's official carbon-mitigation targets, in connection with Hong Kong's potential participation in a proposed national emissions trading scheme. We find that moderate intensity-reduction targets emulating China's pledged Paris Agre...

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Main Authors: Yue Wang, Niven Winchester, Christopher J. Webster, Kyung-Min Nam
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-12-01
Series:Frontiers in Environmental Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fenvs.2020.599231/full
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author Yue Wang
Niven Winchester
Niven Winchester
Christopher J. Webster
Kyung-Min Nam
author_facet Yue Wang
Niven Winchester
Niven Winchester
Christopher J. Webster
Kyung-Min Nam
author_sort Yue Wang
collection DOAJ
description In this study, we estimate the economic impacts of China's official carbon-mitigation targets, in connection with Hong Kong's potential participation in a proposed national emissions trading scheme. We find that moderate intensity-reduction targets emulating China's pledged Paris Agreement commitment would incur much larger policy-compliance costs in Hong Kong (0.1–2.5% of baseline gross domestic product) than in Mainland China (0.1–0.7%) in each of the modeled years 2021 to 2030 when each economy operates its own independent carbon market. By comparison, an integrated carbon market enables Hong Kong to achieve the same reduction goal at up to 78% lower costs compared to an independent market, and this is achieved without significantly affecting the Mainland's economy. These savings in compliance costs for Hong Kong are greater when pre-integration local carbon prices in both economies are subject to a larger gap. Effectively, the cheaper pre-integration carbon prices in the Mainland indirectly subsidize the Hong Kong economy in the initial years of the integration scenario, buffering the policy shock. In sum, an integrated carbon market in China would improve overall efficiency at the national level, but the benefits are biased toward Hong Kong. This finding suggests that it is in the city's interest to play a more active role in cross-border collaboration on climate mitigation and emissions trading.JEL classification: C68, Q42, Q52, Q54
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spelling doaj.art-f3f2e6e41dfa4081a7be2d98a79985812022-12-21T18:53:34ZengFrontiers Media S.A.Frontiers in Environmental Science2296-665X2020-12-01810.3389/fenvs.2020.599231599231Impacts of China's Emissions Trading Scheme on the National and Hong Kong Economies: A Dynamic Computable General Equilibrium AnalysisYue Wang0Niven Winchester1Niven Winchester2Christopher J. Webster3Kyung-Min Nam4New Zealand Forest Research Institute (Scion), Rotorua, New ZealandSchool of Economics, Auckland University of Technology, Auckland, New ZealandMotu Economic and Public Policy Research, Wellington, New ZealandDepartment of Urban Planning and Design, The University of Hong Kong, Hong Kong, ChinaDepartment of Urban Planning and Design, The University of Hong Kong, Hong Kong, ChinaIn this study, we estimate the economic impacts of China's official carbon-mitigation targets, in connection with Hong Kong's potential participation in a proposed national emissions trading scheme. We find that moderate intensity-reduction targets emulating China's pledged Paris Agreement commitment would incur much larger policy-compliance costs in Hong Kong (0.1–2.5% of baseline gross domestic product) than in Mainland China (0.1–0.7%) in each of the modeled years 2021 to 2030 when each economy operates its own independent carbon market. By comparison, an integrated carbon market enables Hong Kong to achieve the same reduction goal at up to 78% lower costs compared to an independent market, and this is achieved without significantly affecting the Mainland's economy. These savings in compliance costs for Hong Kong are greater when pre-integration local carbon prices in both economies are subject to a larger gap. Effectively, the cheaper pre-integration carbon prices in the Mainland indirectly subsidize the Hong Kong economy in the initial years of the integration scenario, buffering the policy shock. In sum, an integrated carbon market in China would improve overall efficiency at the national level, but the benefits are biased toward Hong Kong. This finding suggests that it is in the city's interest to play a more active role in cross-border collaboration on climate mitigation and emissions trading.JEL classification: C68, Q42, Q52, Q54https://www.frontiersin.org/articles/10.3389/fenvs.2020.599231/fullemission trading schemeclimate changeChinaHong Kongcomputable general equilibrium
spellingShingle Yue Wang
Niven Winchester
Niven Winchester
Christopher J. Webster
Kyung-Min Nam
Impacts of China's Emissions Trading Scheme on the National and Hong Kong Economies: A Dynamic Computable General Equilibrium Analysis
Frontiers in Environmental Science
emission trading scheme
climate change
China
Hong Kong
computable general equilibrium
title Impacts of China's Emissions Trading Scheme on the National and Hong Kong Economies: A Dynamic Computable General Equilibrium Analysis
title_full Impacts of China's Emissions Trading Scheme on the National and Hong Kong Economies: A Dynamic Computable General Equilibrium Analysis
title_fullStr Impacts of China's Emissions Trading Scheme on the National and Hong Kong Economies: A Dynamic Computable General Equilibrium Analysis
title_full_unstemmed Impacts of China's Emissions Trading Scheme on the National and Hong Kong Economies: A Dynamic Computable General Equilibrium Analysis
title_short Impacts of China's Emissions Trading Scheme on the National and Hong Kong Economies: A Dynamic Computable General Equilibrium Analysis
title_sort impacts of china s emissions trading scheme on the national and hong kong economies a dynamic computable general equilibrium analysis
topic emission trading scheme
climate change
China
Hong Kong
computable general equilibrium
url https://www.frontiersin.org/articles/10.3389/fenvs.2020.599231/full
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