Submitted on: 13 August 2002.
Revised on: 13 September 2002.
Accepted on: 28 September 2002.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
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Submitted on: 24 April 2021.
Revised on: 19 June 2021.
Accepted on: 26 July 2021.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
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Submitted on: 22 October 2022.
Revised on: 08 January 2023.
Accepted on: 01 March 2023.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
Submitted on: 20 April 1999.
Revised on: 25 July 1999.
Accepted on: 12 September 1999.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
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