It [a power based model of organization] sees organizations a intentional human constructions but not necessarily rational systems guided by official… - Charles Perrow

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It [a power based model of organization] sees organizations a intentional human constructions but not necessarily rational systems guided by official goals; as bargaining areas rather than cooperative systems; as systems of power rather than coercive institutions reflecting cultural norms, and as resources for other organizations and groups rather than closed systems. If we define organizations, then, as intentional human constructions wherein people and groups within and without the organization compete for outputs of interest them under conditions of unequal power, we have posed the issue of effectiveness quite differently