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The economies of scale of living together

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Originally posted on August 14, 2009.

 

Bruce Bartlett sends me a link to this interesting paper:

How large are the economies of scale of living together? And how do partners share their resources? The first question is usually answered by equivalence scales. Traditional estimation and application of equivalence scales assumes equal sharing of income within the household. This paper uses data on financial satisfaction to simultaneously estimate the sharing rule and the economy of scale parameter in a collective household model. The estimates indicate substantial scale economies of living together, especially for couples who have lived together for some time. On average, wives receive almost 50% of household resources, but there is heterogeneity with respect to the wives’ contribution to household income and the duration of the relationship.

The data are from Switzerland, in case you are wondering, not the United States.

About the Author
Tyler Cowen is Holbert C. Harris Professor of Economics at George Mason University and Director of the Mercatus Center and the James M. Buchanan Center for Political Economy. He is published widely in economics journals, including the American Economic Review and Journal of Political Economy. With Alex Tabarrok he co-writes the Marginal Revolution blog, often ranked as the #1 economics blog. He is also the author of Discover Your Inner Economist (Dutton, 2007) and numerous other books on economics. He writes regularly for the popular press on economics, including for The New York Times, The Washington Post, Forbes, and The Wilson Quarterly.