1. They focus on only one independent variable (i.e., the product life cycle or the organizationallife
cycle) and do not take further influencing variables into consideration. While
large diversified MNCs are typically dealing with multiple product life cycles simultaneously,
in practice they are also confronted with a wide range of other endogenous and
exogenous factors influencing their IHRM policies and practice design.
2. The exact description of a product or organizational life cycle can only be given post
hoc which means that such models only have descriptive value rather than predictive
qualities.
3. They fall short of discussing how an MNC can implement varying international policies
and practices while also accounting for the contingencies of multiple host countries.