With reference to the aim and importance of IHRM of providing efficincy and effectiveness ,i think THE MIX OF GEO CENTRIC and POLY CENTIC APPROACHES should be regarded and practiced because the organization must consider the culture variation and the using the best strength policy attained.
The mixture of this will help to solve the problem of culture differences in subsidiaries country by employing the local workforces and the best strength policy will give the right way to come up with the strongest mixed culture of policies and regulations to run the organisation