This essay critically assesses the policy stages model as a heuristic for understanding and explaining the complexities of public policy making. The introduction establishes the context of public policy and its various conceptualizations. The essay then delves into the policy stage cycle, detailing each stage: agenda setting, policy formation, implementation, and evaluation/termination. Each stage is explained with a focus on its processes, actors involved, and the factors influencing it. The discussion incorporates relevant examples to illustrate how the model functions in practice. The essay evaluates the model's strengths, such as its ability to provide a structured framework for analyzing policy processes, and its limitations, considering the dynamic and often non-linear nature of real-world policy making. The conclusion summarizes the model's contributions and limitations, reiterating its usefulness as a simplified approach to understanding the elements of policy making.