This paper presents an insight into the theoretical and empirical literature of Loss Aversion and Endowment Effect. The definition and conceptualisation of both ideas is introduced in order to define a framework for further analysis. Their presence implies a radical change in some of the basic standard postulates of microeconomic foundation. These concepts robustly predict a divergence between Willingness to Accept and Willingness to Pay, even in a perfect-market framework and invalidate the standard assumptions of transitivity and reversibility of preferences under the neoclassical theory of consumer choice. Twenty years of successive positive evidence on Loss Aversion and Endowment Effect support the theoretical implications showed in this paper. I conclude that Loss Aversion and Endowment Effects truly matter and their existence must not be taken into account just as an anomaly or puzzle, but as part of a new theory in itself, leading to new questions and challenges for future economic research.
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Paper provided by EconWPA in its series Microeconomics with number
0307005.
Length: 27 pages Date of creation: 09 Jul 2003 Date of revision: Handle: RePEc:wpa:wuwpmi:0307005
Note: Type of Document - Acrobat PDF; prepared on PC; to print on HP A4; pages: 27 ; figures: included. 27 pages, pdf, figures included in the document Contact details of provider: Web page: http://129.3.20.41
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