Your [1] is flawed because what is core is continuously shifting as the advantages of the knowledge you can get somewhere else exceed the costs.
An example from banking:
"Morgan Stanley has about 500 people employed in India doing research and statistical analysis. About 100 of Goldman Sachs’ 3,000 employees in Bangalore are working on investment research."
An example from banking:
"Morgan Stanley has about 500 people employed in India doing research and statistical analysis. About 100 of Goldman Sachs’ 3,000 employees in Bangalore are working on investment research."
http://www.nytimes.com/2008/08/12/business/worldbusiness/12i...