The decline in average family size and its implications for the average benefits of within-household sharing

Carsten Schröder, Katrin Rehdanz, Daiju Narita, Toshihiro Okubo

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Economic policies rely on demographic projections. Yet in making these projections, researchers often ignore the aspect of household formation-despite sustained trends in many industrialized countries towards smaller household units with fewer members. Over the long term, this trend is likely to reduce the benefits of sharing goods/services within households (household economies of scale) at the micro-level, thereby increasing household-sector demand at the macro level. We propose a framework to (a) quantify the level of household economies of scale for different household types and (b) assess how the decline in average household size impacts aggregate householdsector demand. We apply the framework to energy consumption in Japan. The application indicates that household economies of scale in energy use are substantial and that the 5% decline in average household size in Japan between 2005 and 2010 led to an economy-wide loss in household economies of scale amounting to almost 4%.

Original languageEnglish
Pages (from-to)760-780
Number of pages21
JournalOxford Economic Papers
Volume67
Issue number3
DOIs
Publication statusPublished - 2015 Jul 1

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Household
Family size
Economies of scale
Household size
Japan
Developed countries
Energy use
Energy consumption
Economic policy
Aggregate demand
Household formation
Demographics

ASJC Scopus subject areas

  • Economics and Econometrics

Cite this

The decline in average family size and its implications for the average benefits of within-household sharing. / Schröder, Carsten; Rehdanz, Katrin; Narita, Daiju; Okubo, Toshihiro.

In: Oxford Economic Papers, Vol. 67, No. 3, 01.07.2015, p. 760-780.

Research output: Contribution to journalArticle

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