secondly land tenure arrangements and the urbanisation of agricultural or collectivelyowned land ejido have left a complex legacy for modernday housing and urban development thirdly mexico has managed to address to a large extent and with remarkable speed the country s quantitative housing gap and transition to more permanent housing for an increasing share of the population such a rapid expansion of the housing stock has been seen in only a few oecd countries fourthly while public policy in other oecd countries has also tended to varying extents to favour home ownership in recent decades mexico along with italy and spain is unusual in focusing its social housing policies on home ownership finally mexico is now beginning to transition out of a long period in which housing policy has been set by an implementing body infonavit housing and urban policy is now in the hands of an explicit policymaking body sedatu