Submitted on: 20 August 2016.
Revised on: 27 September 2016.
Accepted on: 24 October 2016.
___________________Financial Internet Quarterly---WALTER DE GRUYTER GMBH
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Submitted on: 07 July 2022.
Revised on: 17 October 2022.
Accepted on: 07 November 2022.
___________________Financial Internet Quarterly---WALTER DE GRUYTER GMBH
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Submitted on: 10 January 2012.
Revised on: 07 May 2012.
Accepted on: 02 June 2012.
___________________Financial Internet Quarterly---WALTER DE GRUYTER GMBH
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