A final reason for focussing more explicitly on employee-derived outcomes comes from Lepak and
Snell‟s „HR architecture‟ model (1999). This strongly implies that an organisation‟s HRM system may
(should?) vary according to the type of employee involved, implying a more targeted focus on those
employees whose unique capabilities add value, and are rare. That said, future research projects might
differentiate between the HR practices implemented for these „core‟ and those applied to „peripheral‟
workers, testing the outcomes for each