Loyalty is trump

A skilful negotiator can save a lot of money when shopping in his favorite store. This was found out by researchers at the Ruhr-Universität Bochum in a large-scale study. An extra five percent discount is, on average, no problem — as long as you know how to use your customer loyalty as a trump.

Fuente : http://www.eurekalert.org/pub_releases/2013-02/rb-…


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