Time span of discretionality: a way of measuring job levels in public or private organisations


Gianluca di Castri
Italian Association for Total Cost Management (AICE) – President

text of the paper submitted in 2008 to the conference “Methods, Models and Information Technologies for Decision Support Systems” (MTISD – 2008)

The necessity to measure and compare job levels in different organisation is known since very old times, the first important attempt we had in the history is the “TABULA DIGNITATUM” in the late Roman Empire, and similar schemas have been tried in several cases, generally without proper quantitative and statistical methods.
Starting from 1950’s, in the general framework of the organisation theory supported by the Tavistock Institute, the psychologist Elliot Jaques together with the industrial manager Wilfred Brown started a new research trying to find a proper quantitative parameter to measure the job level and to set up a criterion for equitable payment The research (Glacier Project, 1950) was followed by further studies on the British National Health System (Rawbottom, Billis) and other studies until the research of Ivanov (2006).
The result is that job level can be measured with a proper parameter whose name is “time span of discretionality”, that this parameter can be uniformly used in any kind of organisation and eventually that it is related to the equitable payment related to the job itself.
The paper shows the history of the research, its result and its possible future developments and describes some application and possibilities related to the Italian case.

Keywords: organisation, time, job, level, payment, subordinate, manager, hierarchy


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