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The additive property of the inconsistency degree in intertemporal decision making through the generalization of psychophysical laws

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  • Natalia Destefano
  • Alexandre Souto Martinez
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    Abstract

    Intertemporal decision making involves choices among options whose effects occur at different moments. These choices are influenced not only by the effect of rewards value perception at different moments, but also by the time perception effect. One of the main difficulties that affect standard experiments involving intertemporal choices is the simultaneity of both effects on time discounting. In this paper, we unify the psycophysical laws and discount value functions using the one-parameter exponential and logaritmic functions from nonextensive statistical mechanics. Also, we propose to measure the degree of inconsistency. This quantity allow us to discriminate both effects of time and value perception on discounting process and, by integration, obtain other main quantities like impulsivity and discount functions.

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    File URL: http://arxiv.org/pdf/1010.5648
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    Bibliographic Info

    Paper provided by arXiv.org in its series Papers with number 1010.5648.

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    Date of creation: Oct 2010
    Date of revision: May 2011
    Publication status: Published in Physica A 390 (2011) 1763--1772
    Handle: RePEc:arx:papers:1010.5648

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    Cited by:
    1. Han, Ruokang & Takahashi, Taiki, 2012. "Psychophysics of time perception and valuation in temporal discounting of gain and loss," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 391(24), pages 6568-6576.
    2. Rivera-Castro, Miguel A. & Miranda, José G.V. & Borges, Ernesto P. & Cajueiro, Daniel O. & Andrade, Roberto F.S., 2012. "A top–bottom price approach to understanding financial fluctuations," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 391(4), pages 1489-1496.

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