The Economic Value of Household Production: 1965-2017

The Economic Value of Household Production: 1965-2017

Timothy Taylor 19/06/2019 3

Gross domestic product is not the total amount of output produced; instead, it is a a measure of what is bought and sold in markets. Pretty much every intro class in economics will point out to students that when I clean my own house, cook my own meals, look after my children, or or mow my lawn, that "household production" doesn't show up in GDP. But if I hire someone to do household production tasks, then that output gets counted as part of GDP.

For a number of situations where the limitations of GDP are obvious, the US Bureau of Economic Analysis publishes "satellite" accounts, where it calculates what a different and broader measure of economic output would look like. In this spirit, Danit Kanal and Joseph Ted Kornegay have written "Accounting for Household Production in the National Accounts: An Update, 1965–2017," in the June 2019 Survey of Current Business.

The overall approach is to look at data on time use in household production, estimate the cost of hiring that time in the market, and then add this output to the standard conventional measure of GDP. They write:

The largest impact when including household production in GDP stems from the inclusion of nonmarket services. Nonmarket services measure the value of time spent on home production tasks. ... To compute household production, we first aggregated household production hours across seven categories: housework, cooking, odd jobs, gardening, shopping, child care, and domestic travel. The value of nonmarket services is the product of the wage rate of general-purpose domestic workers and the number of hours worked. This method assumes a market-cost approach to valuing nonmarket household services. ... BEA's current GDP measure treats consumer purchases of durable goods as consumption. In contrast, this satellite account treats such purchases as investment and adds the services of consumer durables to personal consumption expenditures. 

Some interesting fact patterns emerge from thinking about economic output in this way:

When this calculation is carried out for 1965, the revised GDP with household production included is 37% higher than the conventional measure. For 2017, the revised GDP with household production included is 23% higher.

Thus, if you are someone who sometimes uses per capita GDP as a quick-and-dirty measure for social well-being (a sin of which I've been guilty now and again), taking household production into account shows that the US standard of living is higher than the conventional measurement.

Why does adding a value for household production have a smaller effect now than a half-century ago? "Household production has declined in significance over time as more women engage in market work." In particular, the number of hours spent in household production by nonemployed women has declined substantially.

The growth rate for total economic output is slower. Measured in nominal dollars, the growth rate of traditional GDP is 6.5% per year from 1965 to 2017, while the annual nominal growth rate of output falls to 6.3% per year with household production in included. In effect, the declining hours spent on household production mean that the relative size for this part of the economy is shrinking.

As usual with economic statistics, any one number is going to have serious limitations, and so looking at a variety of interrelated measures will provide a more in-depth picture. Here, the authors are just presenting fact patterns, not hypothesizing about underlying causes. But presumably there are a variety of changes behind these patterns, like fewer children in the average household, the spread of household technologies like the dishwasher and the microwave, and household which choose to purchase some services (meals eaten out, house-cleaning, yard work) rather than producing it themselves. 

For my blog posts on a couple of previous reports from the Survey of Current Business on this topic, see: 

A version of this article first appeared on Conversable Economist. 

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  • Jack Thompson

    The work women or men do in the home has a huge impact on our economy.

  • Nicholas Marshall

    Current metrics that are used to measure GDP need to be changed.

  • Matt Scade

    We all gain from those who invest their time and resources into their children.

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Timothy Taylor

Global Economy Guru

Timothy Taylor is an American economist. He is managing editor of the Journal of Economic Perspectives, a quarterly academic journal produced at Macalester College and published by the American Economic Association. Taylor received his Bachelor of Arts degree from Haverford College and a master's degree in economics from Stanford University. At Stanford, he was winner of the award for excellent teaching in a large class (more than 30 students) given by the Associated Students of Stanford University. At Minnesota, he was named a Distinguished Lecturer by the Department of Economics and voted Teacher of the Year by the master's degree students at the Hubert H. Humphrey Institute of Public Affairs. Taylor has been a guest speaker for groups of teachers of high school economics, visiting diplomats from eastern Europe, talk-radio shows, and community groups. From 1989 to 1997, Professor Taylor wrote an economics opinion column for the San Jose Mercury-News. He has published multiple lectures on economics through The Teaching Company. With Rudolph Penner and Isabel Sawhill, he is co-author of Updating America's Social Contract (2000), whose first chapter provided an early radical centrist perspective, "An Agenda for the Radical Middle". Taylor is also the author of The Instant Economist: Everything You Need to Know About How the Economy Works, published by the Penguin Group in 2012. The fourth edition of Taylor's Principles of Economics textbook was published by Textbook Media in 2017.

   

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