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GAITL: A generalised version of the almost ideal and translog demand systems.

Authors
Journal
Economics Letters
0165-1765
Publisher
Elsevier
Publication Date
Volume
34
Issue
2
Identifiers
DOI: 10.1016/0165-1765(90)90231-o

Abstract

Abstract AI and Translog are popular models in empirical demand literature. In this paper we present a generalised model (GAITL) which nests both and, moreover, the Lewbel (1989) demand system. Estimation and statistical testing based on Italian household data suggests rejection of both in favour of the GAITL, also when demographic effects are considered.

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