Referendums influence public policy by allowing citizens to directly vote on specific issues or legislative measures, often bypassing standard legislative processes. This form of direct democracy empowers voters, facilitating engagement and reflecting the public's will on contentious topics. Successful referendums can lead to significant changes in law or policy, shaping the political landscape and demonstrating the electorate's preferences. However, they also pose challenges, such as potential misinformation campaigns and oversimplification of complex issues. Overall, referendums serve as important tools for enhancing democratic participation and driving policy change.