Submitted on: 11 December 2022.
Revised on: 11 January 2023.
Accepted on: 21 January 2023.
SOUTH AFRICAN JOURNAL OF ECONOMICS
http://reply.papertrans.cn/3/284/28393/28393-32.png
Submitted on: 26 April 2022.
Revised on: 31 May 2022.
Accepted on: 07 June 2022.
SOUTH AFRICAN JOURNAL OF ECONOMICS
http://reply.papertrans.cn/3/284/28393/28393-34.png
http://reply.papertrans.cn/3/284/28393/28393-35.png
Submitted on: 05 August 2022.
Revised on: 28 August 2022.
Accepted on: 19 September 2022.
SOUTH AFRICAN JOURNAL OF ECONOMICS