Dividing the world into 8 regions suffers from the same problem that top down design ( software in the 70's )suffered from. It stands or fails on where those divisions are placed (inn this case geographic location . For example there is evidence that the culture values of England are closest to Slovakia. Rather than the countries near to England and thus the data becomes blurred/aggregated by grouping by geographic location.
Dividing the world into 8 regions suffers from the same problem that top down design ( software in the 70's )suffered from. It stands or fails on where those divisions are placed (inn this case geographic location . For example there is evidence that the culture values of England are closest to Slovakia. Rather than the countries near to England and thus the data becomes blurred/aggregated by grouping by geographic location.