Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/32659 
Erscheinungsjahr: 
2008
Schriftenreihe/Nr.: 
Papers on Economics and Evolution No. 0809
Verlag: 
Max Planck Institute of Economics, Jena
Zusammenfassung: 
This paper explores the statistical properties of household consumption-expenditure budget shares distributions (HBSDs) defined as the share of household total expenditure spent for purchasing a specific category of commodities for a large sample of Italian households in the period 1989-2004. We find that HBSDs are fairly stable over time for each specific category, but profoundly heterogeneous across commodity categories. We then derive a parametric density that is able to satisfactorily characterize HBSDs and: (i) is consistent with the observed statistical properties of the underlying levels of household consumption-expenditure distributions; (ii) can accommodate the observed acrosscategory heterogeneity in HBSDs. Finally, we taxonomize commodity categories according to the estimated parameters of the proposed density. We show that the resulting classification is consistent with the traditional economic scheme that labels commodities as necessary, luxury or inferior.
Schlagwörter: 
Household Consumption Expenditure
Budget Shares
Sum of Log-Normal Distributions
JEL: 
D3
D12
C12
Dokumentart: 
Working Paper

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