Submitted on: 14 July 2005.
Revised on: 06 August 2005.
Accepted on: 24 August 2005.
OXFORD ECONOMIC PAPERS-NEW SERIES
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Submitted on: 12 December 2017.
Revised on: 13 January 2018.
Accepted on: 27 January 2018.
OXFORD ECONOMIC PAPERS-NEW SERIES
Submitted on: 10 April 2006.
Revised on: 18 April 2006.
Accepted on: 28 April 2006.
OXFORD ECONOMIC PAPERS-NEW SERIES
Submitted on: 19 September 2003.
Revised on: 01 October 2003.
Accepted on: 26 October 2003.
OXFORD ECONOMIC PAPERS-NEW SERIES
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Submitted on: 28 April 2020.
Revised on: 03 June 2020.
Accepted on: 08 June 2020.
OXFORD ECONOMIC PAPERS-NEW SERIES