References
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Aghion, P & Tirole, J (1997), 'Formal and real authority in organizations', Journal of Political Economy , Vol. 105[1], pp. 1-29.
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European Foundation for the Improvement of Living and Working Conditions [EFILWC] (February, 2002) Quality of work and employment in Europe Issues and challenges , EFILWC, Office for Official Publications of the European Communities: Luxembourg . Available at http://www.eurofound.eu.int/publications/EF0212.htm .