<P> Positive liberty is the possession of the capacity to act upon one's free will, as opposed to negative liberty, which is freedom from external restraint on one's actions . A concept of positive liberty may also include freedom from internal constraints . </P> <P> The concepts of structure and agency are central to the concept of positive liberty because in order to be free, a person should be free from inhibitions of the social structure in carrying out their free will . Structurally, classism, sexism, ageism and racism can inhibit a person's freedom . As positive liberty is primarily concerned with the possession of sociological agency, it is enhanced by the ability of citizens to participate in government and have their voices, interests, and concerns recognized and acted upon . </P> <P> Although Isaiah Berlin's essay "Two Concepts of Liberty" (1958) is typically acknowledged as the first to explicitly draw the distinction between positive and negative liberty, Frankfurt School psychoanalyst and Marxist humanistic philosopher Erich Fromm drew a similar distinction between negative and positive freedom in The Fear of Freedom (1941), predating Berlin's essay by more than a decade . </P> <P> The word liberty can refer to many things, but Isaiah Berlin recognized two main types of liberty . Berlin described a statement such as "I am slave to no man" as one of Negative Liberty, that is, freedom from another individual's direct interference . He contrasted this with a Positive Freedom statement such as "I am my own master", which lays claim to a freedom to choose one's own pursuits in life . </P>

Who has given the concept of positive liberty