From bitrary
Revision as of 03:14, 27 January 2016 by Martin Vahi (talk | contribs)
Jump to: navigation, search

With every transaction there are always 2 sellers and 2 buyers. Usually one of the sides sells money, but sales might be in a form, where neither side sells money. According to Robert James Shiller, in 1969 the Kenneth Ewart Boulding offered the following definition: "Economics is the study of exchange."