TY - JOUR T1 - Developing a Complexity Test for the Use of Competitive Dialogue for PPP Contracts A1 - Burnett, Michael PY - 2011 N2 - I. Introduction – The origins of the need for a complexity test Prior to the introduction of Competitive Dialogue, Contracting Authorities faced practical difficulties in awarding complex contracts such as PPP. They faced the choice between the Restricted Procedure and the Negotiated Procedure but: – The Restricted Procedure constrained competitive innovation between suppliers and prohibited negotiations once the award process had started, in JF - European Procurement & Public Private Partnership Law Review JA - European Procurement & Public Private Partnership Law Review VL - 5 IS - 4 UR - https://doi.org/10.21552/EPPPL/2010/4/107 M3 - doi:10.21552/EPPPL/2010/4/107 ER -