Trade Liberalization and SO2 Emissions

Research Seminars

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Is trade liberalization contributing to cleaner production amongst manufacturing firms? Theoretical predictions and empirical evidences are mixed. This study utilizes China’s dual trade regime and China’s WTO entry in 2001 to construct a unique micro dataset that merges three rich manufacturing firm-level datasets for China for the period 2000-2007, and performs a difference-in-difference estimation strategy to directly examine this issue. Specifically, processing exporters that enjoy tariff-exemptions both pre- and post-WTO entry serve as the control group; while normal exporters that saw tariff changes during the same period form the treatment group. Results show that China’s WTO entry contributed to a lower SO2 emission intensity for normal exporting firms. We further discuss potential mechanisms and show that the productivity channel accounted for the observed pattern. Specifically, more efficient normal firms saw greater decline of SO2 emissions intensity. This study contributes to a better understanding of the impact of trade on the environment, especially in developing countries. It also complements the literature in terms of providing China’s micro evidence on the impact of trade liberalization on firm’s environmental performance.

People

  • Anqi Yu
    Speakers

    Anqi Yu // University of Münster and University of International Business and Economics (UIBE), Beijing, China

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