in part from the works of Hume, between determinism and indeterminacy. Structure and agency forms an enduring core debate in sociology. Essentially the same as in the Marxist conception, "agency" refers to the capacity of individuals to act independently and to make their own free choices, based on their will, whereas "structure" refers to those factors (such as social class, but also religion, gender, ethnicity, subculture, etc.) that seem to limit or influence the opportunities that individuals have. In other sciences Other notions of agency have arisen in the field of economics/management, psychology and social cybernetics: In economics (contract theory) Economic agency is an internal instrumentality through which external influences operate mechanistically on action. Internal agency events are a reflection of the impact of external environments from which causal attributes are ignored, and the self-system is simply a repository and conduit for environmental forces. In psychology The term of agency used in different fields of psychology with different meaning. It can refer to the ability of recognizing agents or attributing agency to objects based on simple perceptual cues or principles, for instance the principle of rationality, which holds that context-sensitive, goal-directed efficient actions are the crucial characteristics of agents. This topic is thoroughly investigated by developmental and comparative psychologists to understand how an observer is able to differentiate agentive entities from inanimate objects, but it can be also related to the term of autonomous intelligent agency used in cybernetics. Agency can also imply the sense of agency, that is the feeling of being in control. Emergent interactive agency defines Bandura's view of agencies, where human agency can be exercised through direct personal agency. Bandura formulates his view of agency as a socio-cognitive one, where people are self-organizing, proactive, self-regulating, and engage in self-reflection, and are not just reactive organisms shaped and shepherded by external events. People have the power to influence their own actions to produce certain results. The capacity to exercise control over one’s thought processes, motivation, affect, and action operates through mechanisms of personal agency. Such agencies are emergent and interactive, apply perspectives of social cognition, and make causal contributions to its own motivations and actions using ‘reciprocal causation’. In social cybernetics Autonomous agency is able to embrace the concepts of both the economic agency and the emergent interactive agency. An autonomous system is self-directed, operating in, and being influenced by, interactive environments. It usually has its own