Factors affecting effectiveness and efficiency of analyzing stakeholders’ needs at the briefing stage of Public Private Partnership projects LiYaning Tang 1 , Qiping Shen * 1 Ph.D, Department of Building and Real Estate, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong. Tel.: +852 27664308; Fax: +852 27645131. E-mail address: tlyn.tang@connect.polyu.hk * Corresponding author. Chair Professor, Department of Building and Real Estate, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong. Tel.: +852 27665817; fax: +852 27645131. E-mail address: bsqpshen@polyu.edu.hk Abstract The briefing stage is of utmost importance to public private partnership (PPP) projects as it conveys the major message regarding what stakeholders need. However, stakeholders’ needs are not often stated clearly at the briefing stage. In considering this, the current paper aimed at analyzing the key stakeholders’ needs that should be known by project participants. Eighteen factors related to stakeholders’ needs were identified based on literature and interviews. The importance of these factors was rated using a questionnaire survey in Hong Kong. Also, it was expected that some background This is the Pre-Published Version.