Several groups have written reports on the proposed agreement, including: – the liberalisation of cross-border trade in services; And there are issues that are seen as essential if an agreement is to be reached, both on the European and US sides. Leif Johan Eliasson, University of Saarland: « For the EU, it is about better access to the US public procurement market, a ban on the import of genetically modified organisms (GMOs) and hormone-treated beef, and the recognition of geographical brands on food. For the United States, it provides better access for U.S. dairy and other agricultural products (including scientific studies as the only accepted criteria for spS policies). It recalls that measures such as the ban on hormone-treated beef by the EU (on the basis of the precautionary principle) are not considered by the WTO to be based on scientific studies. The European Commission says TTIP would boost the EU economy by 120 billion euros, the US economy by 90 billion euros and the rest of the world by 100 billion euros.  According to Anu Bradford, a law professor at Columbia Law School, and Thomas J. Bollyky of the Council on Foreign Relations, TTIP aims to « liberalize one-third of world trade » and create millions of new jobs.  An article in Dean Baker`s Guardian of the AMERICAN think tank Center for Economic and Policy Research argued that the economic benefits per household would be relatively small.  According to a report by the European Parliament, the impact on working conditions ranges from job gains to job losses, depending on the economic model and assumptions used in the forecasts.  Successive initiatives by European policy-makers and the US government have been: the creation in 1995 of a business interest group, the Transatlantic Trade Dialogue (TABD) by the authorities on both sides of the Atlantic; 1998, the creation of an advisory committee, the Transatlantic Economic Partnership; The Transatlantic Economic Council was established in 2007, bringing together business representatives from both sides of the Atlantic to advise the European Commission and the US government – and finally, in 2011, the creation of a high-level panel of experts whose conclusions, presented on 11 February 2013, recommended the opening of negotiations for a large-scale free trade agreement. On February 12, 2013, in his annual State of the Union address, President Barack Obama called for such an agreement.
 The next day, the President of the European Commission, Jose Manuel Barroso, announced discussions on negotiating the agreement.  In an article in the Wall Street Journal, the Chairman of the Executive Board of Siemens AG (which employs 70% in Europe and 30% in the United States) said that TTIP would strengthen the global competitiveness of the United States and the EU by removing trade barriers, improving intellectual property protection and establishing new international « road rules ».  For two economies of this size with such a high volume of trade, the EU and the United States inevitably face a number of trade disputes that are resolved through the WTO dispute settlement mechanism.