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Expenditure patterns, heterogeneity, and long-term structural change

Kenneth Clements (), Marc Jim Mariano and George Verikios

Economic Modelling, 2022, vol. 113, issue C

Abstract: Distinguishing household groups when estimating the linear expenditure system (LES) has substantial advantages. Using an Australian household survey to estimate the LES, we show that allowing for household heterogeneity improves the model's predictions and its economic properties. Computable general equilibrium (CGE) model simulations reveal that allowing for heterogeneity of consumers opens up a new possible driver of long-term change in the economy's composition. The simplicity and parsimony of the LES account for its popularity, particularly in CGE models. The results underscore the practical importance of the disaggregated approach.

Keywords: Heterogeneity of consumer behavior; Engel curves; Linear expenditure system; CGE models; Structural change (search for similar items in EconPapers)
JEL-codes: C31 C68 D12 (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1016/j.econmod.2022.105888

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