Trade, Technique and Composition Effects: What is Behind the Fall in World-Wide SO2 Emissions 1990-2000?
Nicole Mathys and
Jaime de Melo ()
No 2007.93, Working Papers from Fondazione Eni Enrico Mattei
Combining unique data bases on emissions with sectoral output and employment data, we study the sources of the fall in world-wide SO2 emissions and estimate the impact of trade on emissions. Contrarily to concerns raised by environmentalists, an emission-decomposition exercise shows that scale effects are dominated by technique effects working towards a reduction in emissions. A second exercise comparing the actual trade situation with an autarky benchmark estimates that trade, by allowing clean countries to become net importers of emissions, leads to a 10% increase in world emissions with respect to autarky in 1990, a figure that shrinks to 3.5% in 2000. Additionally, back-of-the-envelope calculations suggest that emissions related to transport are of the same magnitude. In a third exercise, we use linear programming to simulate extreme situations where world emissions are either maximal or minimal. It turns out that effective emissions correspond to a 90% reduction with respect to the worst case, but that another 80% reduction could be reached if emissions were minimal.
Keywords: Trade; Growth; Environment; Decomposition; Embodied Emissions in Trade; Transport (search for similar items in EconPapers)
JEL-codes: F11 Q56 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-ene, nep-env and nep-int
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Working Paper: Trade, Technique and Composition Effects: What is Behind the Fall in World-Wide SO2 Emissions 1990-2000? (2007)
Working Paper: Trade, Technique and Composition Effects: What is Behind the Fall in World-wide SO2 Emissions, 1990-2000? (2007)
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Persistent link: https://EconPapers.repec.org/RePEc:fem:femwpa:2007.93
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