Arbeitspapier

Aggregation with price variation and heterogeneity across consumers

In the aggregation literature, prices and price and income derivatives are often assumed not to vary across consumers. These assumptions may not be fulfilled: prices often vary and consumers are heterogeneous in the way they respond to price and income changes. In this paper we develop and illustrate a framework for consistent aggregation over consumers within an Almost Ideal Demand System (AIDS) model where prices, total expenditure and the response to these variables vary across consumers. We show how the frameworks previously discussed in the literature on aggregation of an AIDS model may be written as a special case within this general framework. The method may easily be adapted to any functional form.

Language
Englisch

Bibliographic citation
Series: Discussion Papers ; No. 489

Classification
Wirtschaft
Subject
Aggregation
Consumer demand
Heterogeneity

Event
Geistige Schöpfung
(who)
Halvorsen, Bente
Larsen, Bodil M.
Event
Veröffentlichung
(who)
Statistics Norway, Research Department
(where)
Oslo
(when)
2006

Handle
Last update
10.03.2025, 11:44 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Halvorsen, Bente
  • Larsen, Bodil M.
  • Statistics Norway, Research Department

Time of origin

  • 2006

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