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Submitted on: 28 August 2017.
Revised on: 20 October 2017.
Accepted on: 13 November 2017.
___________________JOURNAL OF ECONOMIC THEORY---ACADEMIC PRESS INC ELSEVIER SCIENCE
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Submitted on: 28 January 2003.
Revised on: 19 March 2003.
Accepted on: 06 May 2003.
___________________JOURNAL OF ECONOMIC THEORY---ACADEMIC PRESS INC ELSEVIER SCIENCE
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Submitted on: 01 August 2003.
Revised on: 18 September 2003.
Accepted on: 25 October 2003.
___________________JOURNAL OF ECONOMIC THEORY---ACADEMIC PRESS INC ELSEVIER SCIENCE
Submitted on: 09 December 2008.
Revised on: 17 February 2009.
Accepted on: 07 April 2009.
___________________JOURNAL OF ECONOMIC THEORY---ACADEMIC PRESS INC ELSEVIER SCIENCE
Submitted on: 16 June 2008.
Revised on: 28 August 2008.
Accepted on: 10 September 2008.
___________________JOURNAL OF ECONOMIC THEORY---ACADEMIC PRESS INC ELSEVIER SCIENCE