Hadefi, Abdelkrim ZoheirElagag, Mustapha2024-06-052024-06-052020http://dspace.univ-temouchent.edu.dz/handle/123456789/4200Impact assessment tools are important in order to better rationalize public expenditure, these techniques help stake-holders to study possible alternatives as well as the estimation of the potential impact of public policies on the well-being of citizens. This article aims to expand the existing literature review on impact assessment techniques based on an analytical and descriptive method grouping the different approaches, our results confirm the requirement to employ new techniques based on experimental and non-experimental approaches.public policies, impact, assessment tools.