Done right, every employee signs a contract when they join a company. But the real deal that shapes daily experience is not written down. It is the psychological contract: the expectations and obligations between employee and employer. First discussed in the 1960s by Chris Argyris and Harry Levinson, and later formalised by Denise Rousseau, the idea explains why trust is gained or lost at work. Employers once promised stability and progression; employees offered loyalty and effort. For...