Submitted on: 11 October 2015.
Revised on: 16 January 2016.
Accepted on: 28 February 2016.
___________________Journal of Asian Economics---ELSEVIER
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Submitted on: 27 May 2018.
Revised on: 25 July 2018.
Accepted on: 22 September 2018.
___________________Journal of Asian Economics---ELSEVIER
Submitted on: 03 September 2020.
Revised on: 29 October 2020.
Accepted on: 28 November 2020.
___________________Journal of Asian Economics---ELSEVIER
Submitted on: 05 January 2004.
Revised on: 30 March 2004.
Accepted on: 04 May 2004.
___________________Journal of Asian Economics---ELSEVIER