Submitted on: 18 May 2000.
Revised on: 24 June 2000.
Accepted on: 27 July 2000.
___________________Financial Markets and Portfolio Management
Submitted on: 21 March 2001.
Revised on: 13 June 2001.
Accepted on: 16 July 2001.
___________________Financial Markets and Portfolio Management
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Submitted on: 01 July 2024.
Revised on: 10 September 2024.
Accepted on: 16 October 2024.
___________________Financial Markets and Portfolio Management
Submitted on: 20 July 2019.
Revised on: 30 September 2019.
Accepted on: 24 October 2019.
___________________Financial Markets and Portfolio Management
Submitted on: 03 March 2019.
Revised on: 16 June 2019.
Accepted on: 30 July 2019.
___________________Financial Markets and Portfolio Management