Dunbar’s number

We have in the past discussed the issue of the desirable size of an allotted chamber (or more generally, the size of the set of decision makers). The two contrasting constraints are the need for representativity on the one hand which demands the chamber is not too small, and the need to avoid mass political effects which demands that the chamber is not too big.

One important factor which determines the size at which mass political effects become influential is the ability of the group members to have face-to-face social interactions. Once group members are unable to interact with others personally, the system becomes opaque, promoting new ideas becomes increasingly difficult for the average member, and power brokering emerges. In such a situation, power is no longer equally distributed in the chamber.
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