Submitted on: 24 May 2017.
Revised on: 01 September 2017.
Accepted on: 09 October 2017.
___________________Jahrbuch Fur Wirtschaftsgeschichte
Submitted on: 03 December 2014.
Revised on: 04 January 2015.
Accepted on: 01 March 2015.
___________________Jahrbuch Fur Wirtschaftsgeschichte
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