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Submitted on: 29 June 1998.
Revised on: 28 August 1998.
Accepted on: 26 September 1998.
___________________Journal of International Financial Markets Institutions & Money
Submitted on: 24 May 2011.
Revised on: 19 June 2011.
Accepted on: 16 July 2011.
___________________Journal of International Financial Markets Institutions & Money
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