Submitted on: 01 December 2000.
Revised on: 20 December 2000.
Accepted on: 13 January 2001.
OXFORD BULLETIN OF ECONOMICS AND STATISTICS
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Submitted on: 22 February 2000.
Revised on: 25 March 2000.
Accepted on: 21 April 2000.
OXFORD BULLETIN OF ECONOMICS AND STATISTICS
Submitted on: 25 February 2017.
Revised on: 12 March 2017.
Accepted on: 08 April 2017.
OXFORD BULLETIN OF ECONOMICS AND STATISTICS
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Submitted on: 14 April 2009.
Revised on: 25 May 2009.
Accepted on: 30 May 2009.
OXFORD BULLETIN OF ECONOMICS AND STATISTICS
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