Submitted on: 29 September 2022.
Revised on: 01 January 2023.
Accepted on: 07 February 2023.
___________________ECONOMIC JOURNAL---OXFORD UNIV PRESS
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Submitted on: 03 May 2004.
Revised on: 11 July 2004.
Accepted on: 16 August 2004.
___________________ECONOMIC JOURNAL---OXFORD UNIV PRESS
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Submitted on: 07 May 1998.
Revised on: 10 June 1998.
Accepted on: 24 June 1998.
___________________ECONOMIC JOURNAL---OXFORD UNIV PRESS
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Submitted on: 20 October 2005.
Revised on: 16 December 2005.
Accepted on: 31 December 2005.
___________________ECONOMIC JOURNAL---OXFORD UNIV PRESS
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