They can be defined by internal and external referencing - perceptions of similar pay for similar work, efforts and results. There may be gaps between the general and the particular. Task Structure Employees must work within the firm's policy, procedural, technical and other constraints. Job roles, work arrangements and relationships have evolved over time as solutions to the organising problems within the firm. This task differentiation has become embedded in a range of structures and processes.
All jobs offer structures and routines which in themselves are satisfying.
Jobs have varying degrees of complexity and problem-solving associated with them. Yet the employee may find some aspects of a job frustrasting. The Mumford contracts are experienced within a legal relationship. The employee works under a legally defined contract of employment. General obligations, shaped by common law and statutory regulation, may be summarised as follows.