Chapter

Separability of Times

John Broome

in Weighing Lives

Published in print August 2004 | ISBN: 9780199243761
Published online October 2005 | e-ISBN: 9780191602900 | DOI: http://dx.doi.org/10.1093/019924376X.003.0007
 Separability of Times

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This chapter starts to consider how wellbeing can be aggregated across a distribution. It describes two possible route to aggregation, called ‘the people route’ and the ‘snapshot route’. Each relies on a particular assumption of separability, which the chapter explains. The chapter examines the credibility of separability of times. It shows how separability of times conflicts with the value of longevity, and concludes that this principle cannot be relied on. It therefore rejects the snapshot route to aggregation.

Keywords: separability; snapshot valuation; intertemporal aggregation; interpersonal aggregation; value of longevity

Chapter.  5561 words. 

Subjects: Moral Philosophy

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