期刊
OXFORD ECONOMIC PAPERS-NEW SERIES
卷 67, 期 3, 页码 760-780出版社
OXFORD UNIV PRESS
DOI: 10.1093/oep/gpv033
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资金
- [JSPS 25780169]
- [JSPS 26220503]
- Grants-in-Aid for Scientific Research [15H03348, 26220503] Funding Source: KAKEN
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 household-sector 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%.
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