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Stochastic Complementarity

Paola Manzini (), Marco Mariotti and Levent Ulkti ()
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Levent Ulkti: ITAM

Authors registered in the RePEc Author Service: Levent Ülkü ()

No 745, Working Papers from Queen Mary University of London, School of Economics and Finance

Abstract: Classical definitions of complementarity are based on cross price elasticities, and so they do not apply, for example, when goods are free. This context includes many relevant cases such as online newspapers and public attractions. We look for a complementarity notion that does not rely on price variation and that is: behavioural (based only on observable choice data); and model-free (valid whether the agent is rational or not). We uncover a conflict between properties that complementarity should intuitively possess. We discuss three ways out of the impossibility.

Keywords: Complements and substitutes; Correlation; Stochastic choice (search for similar items in EconPapers)
JEL-codes: D0 (search for similar items in EconPapers)
Date: 2015-05
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https://www.qmul.ac.uk/sef/media/econ/research/wor ... 2015/items/wp745.pdf (application/pdf)

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