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Media type:
E-Article
Title:
Neighborhood Systems for Production Sets with Indivisibilities
Contributor:
Scarf, Herbert E.
Published:
The Econometric Society, 1986
Published in:
Econometrica, 54 (1986) 3, Seite 507-532
Language:
English
ISSN:
0012-9682;
1468-0262
Origination:
Footnote:
Description:
A production set with indivisibilities is described by an activity analysis matrix with activity levels which can assume arbitrary integral values. A neighborhood system is an association with each integral vector of activity levels of a finite set of neighboring vectors. The neighborhood relation is assumed to be symmetric and translation invariant. Each such neighborhood system can be used to define a local maximum for the associated integer programs obtained by selecting a single commodity whose level is to be maximized subject to specified factor endowments of the remaining commodities. It is shown that each technology matrix (subject to mild regularity assumptions) has a unique, minimal neighborhood system for which a local maximum is global. The complexity of such minimal neighborhood systems is examined for several examples.