We make one final observation on the influence exerted by contingency models before analyzing
tbe four main theoretical perspectives. The contingency frameworks by Schuler et al. (1993) and
Taylor et al. (1996) have received praise as they have unified various theoretical perspectives and
captured a wide array of independent variables influencing the design of IHRM policies and practices.
There are also three criticisms of these models (Weber, Festing, Dowling, & Schuler, 1998):