1. Allen Consulting Group 2006 Deep Cuts in Greenhouse Emissions: Economic, Social and Environmental Impacts for Australia http://www.allenconsult.com.au
2. Australian Business Roundtable 2006 The business case for early action Australian Business Council http://www.businessroundtable. com.au
3. Emissions trading: lessons from the 1st phase of the EU ETS and prospects for the 2nd phase;Betz;Climate Policy,2006
4. CAN Europe 2006 National allocation plans 2005-7: do they deliver? Key lessons for phase II of the EU ETS Climate Action Network Europe http://www.climnet.org
5. Clarkson Richard Deyes Kathryn 2002 Estimating the social cost of carbon emissions Department for Environment, Food and Rural Affairs http://www.hm-treasury.gov.uk