Notes on separable preferences
type: Item
instance of: scholarly article
title: Notes on separable preferences
zbMATH Open document ID: 0588.90003
DOI: 10.1016/0022-0531(84)90093-0
author: B. George
published in: Journal of Economic Theory
publication date: 1984-01-01T00:00:00Z
review text: Examples are constructed to show that Gorman's important basic theorem for overlapping strictly separable sectors does not hold if the sectors are only nonstrictly separable. This is done with the help of a new definition for the notion of nonstrict separability of utility preferences. The new definition is equivalent to that of Bliss, but it clarifies the relationship between the geometry and representation of preferences with separable sectors. The geometric insight gained leads to the conjecture that if all sectors are strictly essential, then Gorman's basic theorem would hold.
Mathematics Subject Classification ID: 91B08
zbMATH DE Number: 3945820
zbMATH Keywords: overlapping strictly separable sectors
zbMATH Keywords: nonstrict separability
MaRDI profile type: Publication
full work available at URL: 0022-0531(84)90093-0
OpenAlex ID: W2051177439
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description: scientific article; zbMATH DE number 3945820