1. European Commission, 2003. Directive 2003/87/EC of the European Parliament and of the Council of 13 October 2003 establishing a scheme for a greenhouse gas emission allowance trading within the Community and amending Council Directive 96/91/EC. Official Journal of the European Union. 25.10.2003, L.275/32-46.
2. European Commission, 2016. The EU Emissions Trading System (EU ETS). Factsheet, https://ec.europa.eu/clima/sites/clima/files/factsheet_ets_en.pdf.
3. An overview of current research on EU ETS: Evidence from its operating mechanism and economic effect;Zhang;Appl Energy,2010
4. European Commission, 2015. The EU Emissions Trading System (EU ETS). Handbook, https://ec.europa.eu/clima/sites/clima/files/docs/ets_handbook_en.pdf.
5. Carbon trading: Current schemes and future developments;Perdan;Energy Policy,2011