Abstract
This paper measures the ecological performance and reference carbon taxes of 12 Commonwealth of Independent States between 1993 and 2008. I adapted an ecologist’s model into widely used non-parametric directional distance functions approach. On average, countries perform fairly well: eco-efficiency is around 87 %. Enhancing energy consumption would lead to further reductions in CO2 emissions. I find that there was a relative decoupling of GDP from emissions growth. The estimated shadow price of carbon (mean of US$74.37/tCO2) is reasonable and falls into a range proposed by climate scientists. The richer countries had lower shadow prices with smaller range compared to less affluent ones. Overall, given decoupling, the introduction of revenue-neutral carbon tax could have certain merits.
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Notes
Unger (2012) argues that preventing the accumulation of fossil-fuel CO2 emissions is considered the onlysustainable path to protect the environment in the long run.
See Article 17 of the Kyoto Protocol for more details.
In the frame of present study a carbon tax is essentially a tax on carbon dioxide (CO2) arising from burning fossil-fuels or energy consumption.
The CIS is a regional union founded in 1991 with population above 280 million, around 7.7 % of world carbon emissions, surge in energy use, and rapidly expanding economies. All countries share similar historical past, language, borders and political order. "Mineral and raw materials potentialities of CIS countries include practically all kinds of minerals. Mining, use (processing) and exports of mineral resources is one of the main kinds of economic activities for many states of the Commonwealth. As a whole CIS countries take one of the first places in the world by volume of explored resources of gas, petroleum, coal, iron and manganese ores, many non-ferrous metals, potassium salts and other important kinds of minerals. The main place by mineral energy resources belongs to the Russian Federation. Its share in CIS makes up the greatest part of resources of coal, petroleum, natural gas, peat and also practically all resources of oil-shale. Kazakhstan and Ukraine have considerable reserves of coal, Azerbaijan, Kazakhstan and Turkmenistan—petroleum, Turkmenistan and Uzbekistan—natural gas. Not great reserves of petroleum are explored also in Belarus, Kyrgyzstan and Tajikistan…" taken from official website of CIS organization available on http://www.cisstat.com/eng/frame_about.htm. (Accessed on 17.08.2015).
Other generic policy instruments include: cap and trade, emission reduction credits, clean energy standards and fossil-fuel subsidy reduction (Aldy and Stavins 2013).
See, arguments related to carbon emissions externality, SCC and reflections on recent estimates from integrated assessment models (IAMs). In sum, he proposes to start taxing a carbon even in face of many unknowns and not delay this policy (Pindyck, 2013).
The EU integrated carbon tax incorporates not only the pay for actual CO2 emissions but also prices the carbon content of fossil-fuels such as coal, oil and natural gas and other detrimental natural resources. It punishes both upstream (producers, refineries and importers of petroleum products, coal miners) and downstream (natural gas operators and consumers) market users and, therefore, applies to firms and individuals.
It is when a cumulative tax is put not only on CO2 emissions, but also on carbon content of other pollution-causing factors.
The IPAT and its variations, STIRPAT (Stochastic version) and ImPACT are widely applied to study the impact of greenhouse gas emissions (York et al. 2003; Shi 2003; Rosa et al. 2004; Fan et al. 2006; Marin and Mazzanti 2013; Wei 2011; Knight and Rosa 2012; Zhu and Peng 2012; Zhang and Lin 2012; Liddle 2013 and Brizga et al. 2013).
For popularity of the DEA approach, please refer to the study of Emrouznejad et al. (2008) where authors present advantages and applications of this non-parametric technique for the past 30 years. Cooper et al. (2004) overview applications of DEA for different countries. Liu et al. (2013) summarize the DEA applications literature with citations documented in Web of Science database for the period 1978–2010.
The term eco-efficiency and ecological performance will be used interchangeably thought this report.
According to United Nations Environmental Program (UNEP) the relative decoupling is when the growth rate of CO2 is lower than of GDP. Impact decoupling is when the negative impact of CO2 diminishes while maintaining GDP. Resource decoupling is when the rate of resource use per unit of economic activity drops.
For a thorough overview, address Zhou et al. (2008) who discuss 100 publications with application of frontier models in energy and environmental issues. Liu et al. (2010) provide systematic investigation of model DEA model building in the presence of undesirable outputs and inputs. For theoretical improvements in DEA environmental performance measurements consult Song et al. (2012).
A recent survey on applications of DDF and its variations in environmental and energy studies over 1997–2013 is composed by Zhang and Choi (2014).
Our modeling assumptions are related to the concept of environmentally adjusted production efficiency (EAPE) and frontier eco-efficiency (FEE) models as described in Lauwers (2009). The author also advocated the incorporation of material balance principle (MBP) into frontier-based efficiency models. See studies by Coelli et al. (2007) and Hoang and Coelli (2011) for application of MBP in agricultural production. Yet, another approach named sustainable efficiency (SE) based on concept of exergy balance principle (EBP) was introduced by Hoang and Rao (2010). The innovative approach that combines MBP and EBP into unified framework and applied in agricultural study was proposed by Hoang and Alauddin (2012). Later, Kuosmanen and Kuosmanen (2013) proposed a dynamic MBP model based on standard capital accumulation model. Note, all these new approaches are promising directions to be explored in modeling the ecological efficiency on macro level.
The high statistically significant correlation between energy consumption and CO2 is detected (see Table 2).
Null-jointness: if (\( y^{g} ,y^{b} ) \in P\left( x \right) \) and \( y^{b} = 0 \), then \( y^{g} = 0 .\)
Weak disposability: if (\( y^{g} ,y^{b} ) \in P\left( x \right) \) and \( 0 \le \theta \le 1 \), then (\( \theta y^{g} ,\theta y^{b} ) \in P\left( x \right) \).
Strong disposability of good output: if (\( y^{g} ,y^{b} ) \in P\left( x \right) \) and (\( y^{g'} ,y^{b} ) \le \left( {y^{g} ,y^{b} } \right) \), then (\( y^{g'} ,y^{b} ) \in P\left( x \right) \).
Ineffective regulation does not mean that firms (DMU's) didn't sacrifice their material resources. It means that state could not increase a tax collection for national budget due to market failure, i.e. presence of underground economy that might helped to avoid this state regulation.
The recent "rDEA" R package version 1.2–2 developed by Jaak Simm and Galina Besstremyannaya, 2015-08-04, can be found on the CRAN website https://cran.r-project.org/web/packages/rDEA/rDEA.pdf.
Specifically, we transform x p into negative variable by multiplying it by (−1) in order to account for its non-controllability. This methodology is presented by (Bogetoft and Otto 2011: 118–120).
From 18 August 2008 the Georgia was withdrawn and from 18 August 2009 (effective) is not a member of the CIS.
The R package "Benchmarking", version 023, 2011-04-15 ($Date: 2013-01-20 17:54:54 +0100 (20 Jan. 2013) $), developed by Peter Bogetoft and Lars Otto was utilized for estimation.
To facilitate the discussion we put up additional graphs in online supplementary material (SM).
Note that the majority of low income countries (US$1000–2000 GDP/capita) had zero \( p^{co2} \). This suggests that their resources (human and energy) were used inefficiently. Conversely, as per capita GDP rose above US$2800, no countries had zero \( p^{co2} \). The EEC minimum SPC value is twice bigger than of EIC, US$28.64 vs.US$15.30 (see Table 7).
The 2012 report “The Critical Decade: International Action on Climate Change” by Climate Commission of Australian government that monitors events surrounding emissions around the world reports the following carbon dioxide (CO2) tax rates in different countries: Australia ($A23/tCO2 in 2012–2013); China (plans to introduce in 2013 in seven cities and provinces); USA (only few states enforced a tax); Canada (only Quebec and British Columbia use carbon tax); India(set a nationwide tax, 50 rupees per ton of coal produced and imported, equal less than $A1 in 2010); Japan (put ¥289/tCO2, equal to $A3.30 in 2012); European Union (EC proposed a carbon tax between €4–30/mtCO2 only in 2010, not all 27 States agreed); Finland (introduced in 1991, €20/tCO2 from 2010); Sweden (first introduced in 1991, 0.25 SEK/kg ($US100/tCO2) and was later raised to $US150); Denmark (put $US 18/tCO2 from 2002); Switzerland (put CHF 36/tCO2 from 2008) and South Africa (plans to start in 2013, putting $A14/tCO2 above threshold). The full report could be consulted through the following link: https://www.climatecouncil.org.au/international-action-report and summary on http://www.sbs.com.au/news/article/1492651/Factbox-Carbon-taxes-around-the-world (Accessed on 18.08.2014).
To elaborate and clarify, the shadow prices of carbon per tonne of CO2 found in this study is further translated into differentiated carbon tax rate depending on specific fuel type and become few cents per liter, cubic meter or tonne. See the British Columbia's Ministry of Finance document "How the carbon tax works" and section on "Tax Rates on Fuels" available on http://www.fin.gov.bc.ca/tbs/tp/climate/A4.htm. Accessed on 30.08.15.
The best example is the European Union Emissions Trading System (EU ETS). More detailed information could be consulted on http://ec.europa.eu/clima/policies/ets/index_en.htm. Accessed on 16.08.2015.
See the post by Alisher Khamidov named "Kazakhstan: Carbon Trade Scheme Fuels divisions in Kazakhstan " available on http://www.eurasianet.org/node/67229. Accessed on 14.08.2015. Also see the case study" Kazakhstan-The World’s Carbon Markets: A Case Study Guide to Emissions Trading" International Emissions Trading Association (IETA) available on http://www.ieta.org/worldscarbonmarkets. Accessed on 24.08.15.
Two policy instruments are considered cost-effective: (a) carbon tax and (b) cap-and-trade according to extensive economic studies by Goulder and Parry (2008) and Fischer and Newell (2008) where authors analyze various carbon control policy measures. Repetto (2013), for example, argues for the cap-and-trade instead of carbon tax. Aldy and Stavins (2012) review various carbon-pricing mechanisms of developed countries that could serve as a guideline for transition economies of CIS. Sadler (2013) discusses the recent carbon capture and storage and commercialization of carbon possibilities. Winkler and Marquard (2011) advocate for carbon tax in South Africa.
Other scholars propose a shift to climate adaptation strategies, as success in combating greenhouse emissions has been limited to date (Green 2009).
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The author would like to thank the journal Editor and two anonymous Referees for their constructive comments and valuable suggestions. Special gratitude goes to Rachel Strohm (AuthorAID) for great support. The usual declaimer applies.
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Arazmuradov, A. Economic prospect on carbon emissions in Commonwealth of Independent States. Econ Change Restruct 49, 395–427 (2016). https://doi.org/10.1007/s10644-015-9176-4
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DOI: https://doi.org/10.1007/s10644-015-9176-4