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Submitted on: 28 September 2000.
Revised on: 09 December 2000.
Accepted on: 29 January 2001.
___________________JOURNAL OF BUSINESS & ECONOMIC STATISTICS
Submitted on: 27 June 2007.
Revised on: 19 August 2007.
Accepted on: 18 October 2007.
___________________JOURNAL OF BUSINESS & ECONOMIC STATISTICS
Submitted on: 02 January 2022.
Revised on: 13 February 2022.
Accepted on: 31 March 2022.
___________________JOURNAL OF BUSINESS & ECONOMIC STATISTICS