O you think expatriate appointments are now obsolete for managing human resources by multinational employers? Why or why not?

The module is Internationa Human Resource Management.
Expatriate appointments is when we refer to the traditional and most established form of international assignment where Multinational corporation worker will be dispatched to another loction inside the organisation for a contract period, typically of 2-3 years, with the possibility of return after that.
Suggested Readings: Perlmutter, H.V.(1969)The Tortuous Evolution of Multinational Corporation (A Drama in Three Acts) Columbia Journal of World Business. pp9-18 and Edstrom, A. and Gabriel, J. (1977) Transfer of Managers as a Coordination and Control Strategy in Multinational Organisations, Administrative Science Quarterly (22): 248-63