Differences Between Emission Trading System and Carbon Tax Applications
Nilgün Aytekin // 09.07.2024
Recently, the terms Emission Trading System (ETS) and Carbon Tax have become increasingly common. Both ETS and Carbon Tax are recognized as effective instruments in the fight against climate change, yet they operate on distinct principles. This blog post delves into the variations between these two strategies aimed at reducing carbon emissions.
The Emission Trading System (ETS) functions as an economic instrument to reduce carbon emissions and establishes a market mechanism to ensure emissions remain within a certain limit. This system limits the total emissions in a specific region or industry and provides a framework where organizations striving to meet emission targets can purchase and trade emission units. In other words, it creates a price mechanism determined by the market to minimize the cost of reducing emissions. Emission units can be traded, allowing organizations to take cost-effective measures to achieve their goals or purchase emission allowances from the carbon market. Organizations make this decision by evaluating the costs of both options. Emission trading systems determine a market price by balancing supply and demand for emission allowances. Typically, two models stand out in these systems:
- In the “Cap-and-Trade” model, emissions within the ETS are limited, and emission allowances are allocated based on this limit. Usually, free allowances are given for emissions below the limit. The European Union’s Emission Trading System operates with this model.
- In the “Baseline-and-Credit” model, baseline emission levels are set for each organization. Credits are given to organizations that reduce their emissions below this level, and these credits can be sold to organizations exceeding emission levels.
On the other hand, carbon tax directly imposes a price on carbon emissions. This tax is determined directly based on greenhouse gas emissions and is usually applied through fossil fuel consumption. This cost sets a specific price for reducing carbon emissions and provides an incentive for companies or industries to reduce carbon emissions or transition to alternative, cleaner energy sources. It is an important tool to promote environmental responsibility and accelerate the transition to a green economy.
In summary, the key differences between ETS and Carbon Tax implementations are as follows:
- ETS allocates specific emission limits (quotas) to companies, while Carbon Tax imposes a tax obligation on companies directly based on their emission levels.
- In ETS implementation, companies have to pay a penalty or purchase quotas if they exceed their limits, whereas Carbon Tax is based on a fixed price and allows for long-term planning.
- Carbon Tax provides a financial incentive for companies to reduce emissions, highlighting the unpredictability of emission reduction rates compared to ETS.
- Carbon Tax may face more resistance in some sectors due to the high financial burden it imposes on companies for emission reduction.
Both approaches offer different ways to reduce carbon emissions and are generally preferred based on the needs and policies of a specific region or country. These differences are important considerations for the adoption and implementation of these systems. Both of these approaches should be used and supported together to effectively address the global climate change issue.
Resources
https://www.oecd.org/env/tools-evaluation/emissiontradingsystems.htm
E. Karakaya, G. Akkoyun & B. Hiçyılmaz, ―Sera Gazı Emisyonu Azaltımı için Karbonun Fiyatlanması: Karbon Vergisi mi Emisyon Ticareti mi?, Ekonomi, Politika & Finans Araştırmaları Dergisi, 2023, 8(4): 813-841, Journal of Research in Economics, Politics & Finance, 2023, 8(4): 813-841
Çelikkaya, A., (2023).”Karbon Fiyatlandırması Seçenekleri ve Tasarım Sorunları”. Maliye Araştırmaları Dergisi, 9(1), 01-26
