Jurisdictions may enter into agreements with other jurisdictions that provide for reciprocal tax exemption. They also highlighted social implications of different forms of interdependence such as reciprocal control. Vampire bats are social animals that engage in reciprocal food exchange. The underlying mechanism often involves a genetic change known as a reciprocal translocation. This strategy is one type of reciprocal altruism. This is similar to reciprocal altruism in biology. Emotion operates in cycles that can involve multiple people in a process of reciprocal influence. Conductivity is the inverse (reciprocal) of resistivity. It is the reciprocal of the relative aperture. Therefore, Locke set forth two treaties on government with reciprocal obligations. The algorithm may be applied to any collection of entities with reciprocal quotations and references. This system featured a hierarchy of reciprocal obligations. Other theories followed, some derived from game theory, such as reciprocal altruism. The precision is normally defined as the reciprocal of the variance, formula 58. The inventory of voices in Mongolian consists of passive, causative, reciprocal, plurative, and cooperative.