In more and more countries, existing decision-making mechanisms for public intervention are increasingly questioned due to pressure for market liberalization, decentralization processes and the increasing role of the civil society. However, while the classical role of government is challenged, few methods have been proposed to enable the design of viable alternatives. In a attempt to overcome this deficiency, this handbook proposes a method to design efficient public decision management processes. Based on practical experience from Viet Nam, Indonesia and other countries, this book presents a participatory approach for the integration of all stakeholders in the process of public decision-making, with a particular focus on agricultural policies. After reviewing existing methods in this domain, it sets up a new practical framework for public decision-making and details the different steps of its implementation with illustrations from real case study applications in Southeast Asia.