Submitted on: 30 May 2008.
Revised on: 30 July 2008.
Accepted on: 16 August 2008.
___________________JOURNAL OF AFRICAN ECONOMIES---OXFORD UNIV PRESS
Submitted on: 04 December 2022.
Revised on: 25 January 2023.
Accepted on: 09 March 2023.
___________________JOURNAL OF AFRICAN ECONOMIES---OXFORD UNIV PRESS
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Submitted on: 06 July 2021.
Revised on: 19 September 2021.
Accepted on: 31 October 2021.
___________________JOURNAL OF AFRICAN ECONOMIES---OXFORD UNIV PRESS
Submitted on: 07 April 2005.
Revised on: 09 May 2005.
Accepted on: 07 June 2005.
___________________JOURNAL OF AFRICAN ECONOMIES---OXFORD UNIV PRESS
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Submitted on: 15 November 2013.
Revised on: 25 December 2013.
Accepted on: 20 February 2014.
___________________JOURNAL OF AFRICAN ECONOMIES---OXFORD UNIV PRESS