Some relations between A, B and E may be descnbed in terms of Direction of Influence and in terms of Flows of Information. These two kinds of relations need to be distinguished for the present purpose. To say in this Context that information has been sent, exchanged or sought for is not the same as to say that influence has been exerted.
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BRATEN, Stein, 1973. Model Monopoly and Communication: Systems Theoretical Notes On Democratization. Acta Sociologica. April 1973. Vol. 16, no. 2, p. 98–107. DOI 10.1177/000169937301600202, p. 99.