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Submitted on: 24 September 2001.
Revised on: 14 December 2001.
Accepted on: 16 January 2002.
___________________JOURNAL OF APPLIED ECONOMETRICS
Submitted on: 02 April 2012.
Revised on: 23 April 2012.
Accepted on: 18 June 2012.
___________________JOURNAL OF APPLIED ECONOMETRICS
Submitted on: 30 September 2003.
Revised on: 25 January 2004.
Accepted on: 09 March 2004.
___________________JOURNAL OF APPLIED ECONOMETRICS
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Submitted on: 07 January 2002.
Revised on: 09 March 2002.
Accepted on: 05 May 2002.
___________________JOURNAL OF APPLIED ECONOMETRICS
Submitted on: 30 September 2010.
Revised on: 21 December 2010.
Accepted on: 01 February 2011.
___________________JOURNAL OF APPLIED ECONOMETRICS
Submitted on: 06 January 2018.
Revised on: 12 February 2018.
Accepted on: 20 March 2018.
___________________JOURNAL OF APPLIED ECONOMETRICS