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Submitted on: 12 January 2000.
Revised on: 01 April 2000.
Accepted on: 27 April 2000.
___________________Education Finance and Policy---MIT PRESS
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Submitted on: 27 September 2020.
Revised on: 28 November 2020.
Accepted on: 25 January 2021.
___________________Education Finance and Policy---MIT PRESS
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Submitted on: 19 February 2003.
Revised on: 09 April 2003.
Accepted on: 26 May 2003.
___________________Education Finance and Policy---MIT PRESS