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Submitted on: 12 November 2023.
Revised on: 04 January 2024.
Accepted on: 30 January 2024.
___________________BULLETIN OF ECONOMIC RESEARCH---WILEY
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Submitted on: 21 March 2007.
Revised on: 20 June 2007.
Accepted on: 08 August 2007.
___________________BULLETIN OF ECONOMIC RESEARCH---WILEY