Necessary and sufficient conditions for latent separability
No W04/17, IFS Working Papers from Institute for Fiscal Studies
This paper extends the nonparametric methods developed by Samuelson (1948), Houthakker (1950), Afriat (1973), Diewert (1973) and Varian (1982, 1983) to latently separable models. It presents necessary and sufficient empirical conditions under which data on the market behaviour of a price-taking consumer, and a hypothesised allocation across latent groups are nonparametrically consistent with latent separability (Gorman (1968, 1978), Blundell and Robin (2000)). It considers homothetic latent separability and weak separability as special cases.
Pages: 5 pp.
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Working Paper: Necessary and Sufficient Conditions for Latent Separability (2006)
Working Paper: Necessary and sufficient conditions for latent separability (2004)
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