Submitted on: 27 May 1998.
Revised on: 11 July 1998.
Accepted on: 24 July 1998.
___________________Istanbul Iktisat Dergisi-Istanbul Journal of Economics
Submitted on: 12 October 2012.
Revised on: 04 December 2012.
Accepted on: 17 December 2012.
___________________Istanbul Iktisat Dergisi-Istanbul Journal of Economics
Submitted on: 03 October 2011.
Revised on: 11 December 2011.
Accepted on: 13 January 2012.
___________________Istanbul Iktisat Dergisi-Istanbul Journal of Economics
Submitted on: 25 May 2018.
Revised on: 15 August 2018.
Accepted on: 11 September 2018.
___________________Istanbul Iktisat Dergisi-Istanbul Journal of Economics
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http://reply.papertrans.cn/2/147/14700/14700-26.png
Submitted on: 19 November 2008.
Revised on: 17 February 2009.
Accepted on: 20 March 2009.
___________________Istanbul Iktisat Dergisi-Istanbul Journal of Economics
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Submitted on: 14 January 2005.
Revised on: 13 May 2005.
Accepted on: 27 June 2005.
___________________Istanbul Iktisat Dergisi-Istanbul Journal of Economics
Submitted on: 05 May 2008.
Revised on: 03 June 2008.
Accepted on: 24 July 2008.
___________________Istanbul Iktisat Dergisi-Istanbul Journal of Economics