Preferences that make economic models explode

LARS P. SYLL

Commenting on experiments — showing time-preferences-switching framing effects — performed by experimental economist David Eil, Noah Smith writes:

Now, here’s the thing…it gets worse … I’ve heard whispers that a number of researchers have done experiments in which choices can be re-framed in order to obtain the dreaded negative time preferences, where people actually care more about the future than the present! Negative time preferences would cause most of our economic models to explode, and if these preferences can be created with simple re-framing, then it bodes ill for the entire project of trying to model individuals’ choices over time.

valuefunctionThis matters a lot for finance research. One of the big questions facing finance researchers is why asset prices bounce around so much. The two most common answers are A) time-varying risk premia, and B) behavioral “sentiment”. But Eil’s result, and other results like it, could be bad news for…

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About Damian Merciar
Damian Merciar is Managing Director of Merciar Business Consulting, http://www.merciar.com, a niche business economics consultancy founded in 1998. He has over twenty years experience in the areas of commercial Business Strategy. He is experienced in the transition environments of nationalized to private sector state utilities and the senior practice of commercial management, advisorial consultancy, and implementation. He has carried out policy advisory work for government ministries and been an adviser to institutional bodies proposing changes to government. He holds an MSc Economics from the University of Surrey’s leading Economics department and an MBA from the University of Kent. Also attending the leading University in the Middle East, studying International Relations and Language, for which he won a competitive international scholarship, and has a BA (Hons) in Economic History and Political Economy from the University of Portsmouth. He is currently based in London.

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