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Submitted on: 09 November 2015.
Revised on: 05 December 2015.
Accepted on: 06 January 2016.
___________________Financial Internet Quarterly---WALTER DE GRUYTER GMBH
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Submitted on: 04 November 2009.
Revised on: 10 February 2010.
Accepted on: 11 March 2010.
___________________Financial Internet Quarterly---WALTER DE GRUYTER GMBH
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Submitted on: 29 May 2011.
Revised on: 02 September 2011.
Accepted on: 13 September 2011.
___________________Financial Internet Quarterly---WALTER DE GRUYTER GMBH
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