Autore
Fioretti, Guido

Titolo
A mathematical theory of evidence for G.L.S. shackle
Periodico
International Center for Economics Research, Torino. ICER - Working papers series
Anno: 2001 - Fascicolo: 3 - Pagina iniziale: 1 - Pagina finale: 21

Evidence Theory is a branch of mathematics that concerns the combination of empirical evidence in an individual's mind in order to construct a coherent picture of reality. Designed to deal with unexpected empirical evidence suggesting new possibilities, evidence theory has a lot in common with Shackle's idea of decision-making as a creative act. This essay investigates this connection in detail, pointing to the usefulness of evidence theory to formalise and extend Shackle's decision theory. In order to ease a proper framing of the issues involved, evidence theory is not only compared with Shackle's ideas but also with additive and sub-additive probability theories. Furthermore, the presentation of evidence theory does not refer to the original version only, but takes account of its most recent developments, too.



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