Article 27 of the Mexican Agrarian Law (1992) modified property rights in land with the goal of modernizing and developing the agrarian sector. In order to determine changes in property rights, formal and informal property rights institutions were compared prior to and following the granting of legal rights in land to women in 1971 and the alienation of ejido land in 1992 subsequent to Article 27. Productive spaces and forests (kax) supply food and products needed for survival in the region, as well as natural resources with market potential. Productive spaces, their users, and their purposes...