We formulate three famous, descriptive essays of C.N. Parkinson onbureaucratic inefficiency in a quantifiable and dynamical socio-physicalframework. In the first model we show how the use of recent opinion formationmodels for small groups can be used to understand Parkinson's observation thatdecision making bodies such as cabinets or boards become highly inefficientonce their size exceeds a critical 'Coefficient of Inefficiency', typicallyaround 20. A second observation of Parkinson - which is sometimes referred toas Parkinson's Law - is that the growth of bureaucratic or administrativebodies usually goes hand in hand with a drastic decrease of its overallefficiency. In our second model we view a bureaucratic body as a system of aflow of workers, which enter, become promoted to various internal levels withinthe system over time, and leave the system after having served for a certaintime. Promotion usually is associated with an increase of subordinates. Withinthe proposed model it becomes possible to work out the phase diagram underwhich conditions bureaucratic growth can be confined. In our last model weassign individual efficiency curves to workers throughout their life inadministration, and compute the optimum time to send them to old age pension,in order to ensure a maximum of efficiency within the body - in Parkinson'swords we compute the 'Pension Point'.
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