Cooperatives in Germany can be considered a hybrid tenure, which offers a bundle of property rights that lies in between renting and owning. Being a cooperative occupier of a dwelling should allow for more secure occupancy rights than ordinarily available to renters and less secure occupancy rights than ordinarily available to owner-occupiers. This claim is evaluated in terms of how the formal (in the sense of legal) bundles of rights of cooperative housing differ from those in conventional renting and owner-occupation. The text draws from the literature on economic approaches to property rights in an effort to clarify the concept of secure occupancy. Here, this concept is defined as a certain bundle of formal rights associated with occupyi...