Elasticities of Substitution in Nested CES Systems

Robert McDougall

GTAP Research Memoranda from Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University

Abstract: We provide a minimal derivation of the Keller formula for outer elasticities of substitution in nested CES systems.

Date: 2009
Note: GTAP Research Memorandum No. 16
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Persistent link: https://EconPapers.repec.org/RePEc:gta:resmem:3161

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