This lecture discusses land management policies, focusing on the intervention of the state in land policy. It explores the shift in urban management strategies in the 1980s towards less public intervention, increased freedom for private actors, and deregulation. The lecture also delves into the consequences of the 1980s real estate bubble burst, leading to a reevaluation of land policy. It covers the interests of different stakeholders such as landowners, builders, and public authorities, highlighting conflicting objectives. Additionally, it examines tools like superficies rights and control of property mutations. Case studies from Switzerland, Lausanne, Biel, and Zurich provide insights into local land management practices.