Product expenditure patterns in the ECPF survey: an analysis using multiple group latent-variables models
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Estadístiques de LA Referencia / Recolecta
Inclou dades d'ús des de 2022
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hdl:2099/4135
Tipus de documentArticle
Data publicació2001
EditorInstitut d'Estadística de Catalunya
Condicions d'accésAccés obert
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continguts d'aquesta obra estan subjectes a la llicència de Creative Commons
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Reconeixement-NoComercial-SenseObraDerivada 2.5 Espanya
Abstract
Using data form the Spanish household budget survey, we investigate some aspects of household heterogeneity on several product expenditures. We adopt a latent-variable model approach to evaluate the impact of income on expenditures, controlling for the number of members in the family. Two latent factors underlying repeated measures of monetary and non-monetary income are used as explanatory variables in the expenditure regression equations, thus avoiding possible bias associated to the measurement error in income. The proposed methodology also takes care of the case in which product expenditures exhibit a pattern of infrequent purchases. Multiple-group analysis is used to assess the variation of key parameters of the model across various household typologies. The analysis discloses significant variations across groups on the mean levels of expenditures and on the way income and family size affect expenditures. Asymptotic robust methods are used to account for possible non-normality of the data.
CitacióSatorra, A.; Ventura, Eva. "Product expenditure patterns in the ECPF survey: an analysis using multiple group latent-variables models". Qüestiió. 2001, vol. 25, núm. 1
ISSN0210-8054 (versió paper)
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