What Drove Changes in the Embodied Energy Consumption of Guangdong’s Exports from 2007–2012?
Abstract
:1. Introduction
2. Method and Data Preparation
2.1. Embodied Energy Accounting Method
2.2. Decomposition Method
2.3. Data Preparation
3. Guangdong’s Trade and Energy Consumption
3.1. Guangdong’s Exports in 2007 and 2012
3.2. Trend of Guangdong’s Energy Consumption
4. Results
4.1. Energy Consumption Change in Each Sector from 2007–2012
4.2. Contributors to Change in Energy Consumption Embodied in Guangdong’s Exports
4.3. Contributors to Change in Embodied Energy Consumption in Each Sector
5. Conclusions and Policy Implications
- (1)
- From 2007 to 2012, despite the global financial crisis, growth in exports from Guangdong remained fast. Changes to the export structure in Guangdong are reflected in low energy intensity industry experiencing faster growth in exports than high energy intensity industry.
- (2)
- The growth rate of embodied energy consumption in Guangdong’s exports is slowing, with average annual growth from 2007 to 2016 of 5.1%. The energy structure is also becoming cleaner. Through technical change, the energy intensity of most industries has decreased sharply, especially for high energy intensity industries such as metal smelting and rolling.
- (3)
- Though Guangdong’s exports grew significantly, the energy consumption embodied therein decreased by 23% from 2007 to 2012, representing a drop of 50.51 Mtce. The most important driver was technical change, which contributed 146% of the reduction in total embodied energy consumption.
- (4)
- In terms of sector-level changes, the largest increase in energy consumption embodied in exports from 2007 to 2012 was in metal smelting and rolling. The most prominent change driver differed across sectors. For low value-added industries, such as metal smelting and rolling, the main contributor was export structure change, while for high value-added industries, such as communications, computers, and other electronic equipment, the main contributor was technical change.
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Sector Code | Sector Description |
---|---|
S1 | Agriculture |
S2 | Coal mining |
S3 | Oil and gas mining |
S4 | Metal mining |
S5 | Nonmetal mining |
S6 | Tobacco, food, and beverages |
S7 | Textiles |
S8 | Wearing apparel, dressing, and fur dyeing |
S9 | Wood and wood products |
S10 | Paper and products for culture, education, and sports |
S11 | Refined petroleum products, coking products, and nuclear fuel products |
S12 | Chemicals and chemical products |
S13 | Nonmetallic mineral products |
S14 | Metal smelting and rolling |
S15 | Manufacture of fabricated metal products |
S16 | Common and special equipment |
S17 | Transport equipment |
S18 | Electrical machinery and apparatuses |
S19 | Communications, computers, and other electronic equipment and apparatuses |
S20 | Instruments, meters, and cultural and office machinery |
S21 | Other industrial activities |
S22 | Production and distribution of electricity and heat |
S23 | Steam and water supply |
S24 | Construction |
S25 | Transportation, warehouse, and post |
S26 | Wholesale, retail, accommodation, eating, and drinking services |
S27 | Other service activities |
Sector | Technical Effect (Δd) | Input Structural Effect (ΔC) | Export Structural Effect (Δs) | Export Scale Effect (Δy) | Total Energy Consumption Change |
---|---|---|---|---|---|
S1 | −0.06 | 0.00 | 0.08 | 0.04 | 0.06 |
S2 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
S3 | 0.00 | 0.00 | 0.02 | 0.00 | 0.02 |
S4 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
S5 | 0.02 | 0.00 | 0.03 | 0.02 | 0.08 |
S6 | −0.44 | −0.05 | 0.35 | 0.38 | 0.23 |
S7 | −0.78 | 0.29 | −4.85 | 2.52 | −2.82 |
S8 | −2.79 | 0.82 | −2.48 | 2.62 | −1.82 |
S9 | −1.15 | −0.24 | 0.55 | 1.11 | 0.26 |
S10 | −2.81 | 0.20 | 15.44 | 5.69 | 18.52 |
S11 | −7.22 | −2.00 | −0.53 | 2.08 | −7.67 |
S12 | −3.00 | −0.07 | −6.09 | 3.52 | −5.65 |
S13 | −3.44 | −0.51 | 2.46 | 4.13 | 2.63 |
S14 | −9.56 | −1.63 | −20.26 | 5.29 | −26.16 |
S15 | −1.43 | −0.19 | 0.12 | 1.08 | −0.42 |
S16 | −6.07 | −0.16 | −2.74 | 2.36 | −6.61 |
S17 | −0.33 | −0.17 | −0.46 | 0.42 | −0.55 |
S18 | −8.45 | −1.43 | 0.34 | 3.98 | −5.56 |
S19 | −18.88 | −4.95 | 4.50 | 9.44 | −9.89 |
S20 | −1.36 | −0.80 | −5.98 | 1.21 | −6.94 |
S21 | −0.17 | 0.13 | −2.35 | 0.32 | −2.07 |
S22 | 0.01 | −0.26 | −0.10 | 0.18 | −0.17 |
S23 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
S24 | 0.00 | 0.00 | 0.42 | 0.00 | 0.43 |
S25 | −4.88 | 0.09 | 1.68 | 3.39 | 0.28 |
S26 | −1.41 | 0.17 | 1.77 | 1.05 | 1.59 |
S27 | −0.41 | 0.04 | 1.66 | 0.43 | 1.73 |
Sector | Technical Effect (Δd) | Input Structural Effect (ΔC) | Export Structural Effect (Δs) | Export Scale Effect (Δy) | Total Embodied Energy Consumption Change | Total Energy Consumption Embodied in Exports in 2007 (Mtce) |
---|---|---|---|---|---|---|
S1 | −50 | −3 | 70 | 34 | 51 | 0.11 |
S2 | 0 | 0 | 0 | 0 | 0 | 0.00 |
S3 | 0 | 0 | 0 | 0 | 0 | 0.00 |
S4 | 49 | 3 | −37 | 34 | 48 | 0.01 |
S5 | 59 | 2 | 84 | 50 | 195 | 0.04 |
S6 | −35 | −4 | 27 | 30 | 18 | 1.26 |
S7 | −7 | 3 | −45 | 24 | −26 | 10.67 |
S8 | −27 | 8 | −24 | 25 | −17 | 10.49 |
S9 | −29 | −6 | 14 | 28 | 7 | 3.91 |
S10 | −22 | 2 | 121 | 44 | 145 | 12.80 |
S11 | −60 | −17 | −4 | 17 | −64 | 12.06 |
S12 | −19 | 0 | −38 | 22 | −36 | 15.83 |
S13 | −25 | −4 | 18 | 30 | 19 | 13.74 |
S14 | −27 | −5 | −58 | 15 | −74 | 35.21 |
S15 | −34 | −5 | 3 | 26 | −10 | 4.16 |
S16 | −49 | −1 | −22 | 19 | −54 | 12.30 |
S17 | −19 | −10 | −25 | 23 | −30 | 1.81 |
S18 | −48 | −8 | 2 | 23 | −32 | 17.45 |
S19 | −48 | −13 | 11 | 24 | −25 | 39.56 |
S20 | −16 | −9 | −68 | 14 | −79 | 8.75 |
S21 | −7 | 5 | −94 | 13 | −83 | 2.50 |
S22 | 1 | −34 | −13 | 24 | −22 | 0.76 |
S23 | 0 | 0 | 0 | 0 | 0 | 0.00 |
S24 | 0 | 0 | 0 | 0 | 0 | 0.00 |
S25 | −40 | 1 | 14 | 28 | 2 | 12.21 |
S26 | −45 | 6 | 57 | 34 | 51 | 3.09 |
S27 | −48 | 5 | 195 | 50 | 203 | 0.85 |
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Tang, Z.; Zou, J.; Wu, S. What Drove Changes in the Embodied Energy Consumption of Guangdong’s Exports from 2007–2012? Sustainability 2018, 10, 2755. https://doi.org/10.3390/su10082755
Tang Z, Zou J, Wu S. What Drove Changes in the Embodied Energy Consumption of Guangdong’s Exports from 2007–2012? Sustainability. 2018; 10(8):2755. https://doi.org/10.3390/su10082755
Chicago/Turabian StyleTang, Zhipeng, Jialing Zou, and Shuang Wu. 2018. "What Drove Changes in the Embodied Energy Consumption of Guangdong’s Exports from 2007–2012?" Sustainability 10, no. 8: 2755. https://doi.org/10.3390/su10082755