Since July 2013, the EU Commission, based on a mandate from its member states, has been negotiating with the U.S. about a Transatlantic Trade and Investment Partnership (TTIP). The negotiations cover a broad range of issues, from bureaucratic rules for customs clearance to market access for services, public procurement, regulatory convergence, and investment protection. The Federal Ministry for Economic Cooperation and Development (BMZ) has commissioned the Ifo Institute – Leibniz Institute for Economic Research at the University of Munich (Prof. Gabriel Felbermayr, projectleader), in cooperation with the Institute for Applied Economic Research (IAW) at the University of Tübingen (Prof. Wilhelm Kohler), with carrying out a research project regarding potential impacts of TTIP on third countries. The present study looks at whether and how TTIP could become the basis for an equitable and revised multilateral world trading system.