CSIL organised and delivered three high-level professional training seminars on cost-benefit analysis for investment project appraisal in Slovenia. The seminars took place in Ljubljana and were promoted by the Structural Reforms Support Service (SRSS) of the European Commission, benefitting the Slovenian authorities. The seminar included a session on CBA general principles and methods (Module I) and sessions on sectoral applications (Transport, Environment, Energy Efficiency and Urban Development sectors). The training was attended by Slovenian public sector officials from different units and departments of several line ministries involved in project design and preparation.