2.2 - Limitations of GDP
Standard of Living and Distribution Flaws
A higher total GDP doesn’t automatically mean people in that country are richer, since you need to account for population size too. GDP per capita, GDP divided by population, gives a much better sense of a country’s standard of living.
But even GDP per capita has flaws, mainly that it doesn’t account for income distribution. Two countries could have identical GDP per capita but very different distributions of wealth. Since it’s an average, GDP per capita can also be skewed by outliers, which weakens how well it represents the typical person’s economic situation.
What GDP Fails to Account For
- GDP counts a lot of “bad things,” meaning spending caused by negative events, like rebuilding after a disaster or fighting crime.
- GDP misses non-market transactions entirely. If something isn’t bought or sold, it doesn’t count, no matter how valuable it actually is.
- Examples: cooking your own dinner, mowing your own lawn, a parent staying home to raise their kids, or volunteering at a food bank. Pay a restaurant, a lawn service, or a daycare to do the same work and GDP goes up, even though the same work got done.
- GDP misses the underground economy: illegal sales, plus legal work paid in cash that’s never reported to the government (like a contractor paid off the books). These are real market transactions, but they never show up in the official data.
- GDP doesn’t count leisure. If everyone worked 10 more hours a week, GDP would go up, but people wouldn’t necessarily be better off.
- GDP doesn’t subtract environmental damage. A factory that pollutes a river adds its output to GDP, and the cost of the dirty river isn’t taken out.
Items Not Included in GDP
- Used goods don’t count, since they were already counted when originally sold.
- Government transfers, like a Social Security check, don’t count as government spending because the government gets nothing in return. Compare that to the defense department buying bombs, which does count since the government receives an actual good.
- Financial investments, like buying stocks or bonds, don’t count either, since no good or service changes hands.
Takeaway
GDP is a key measure of total production, but it falls short of capturing well-being and standard of living. GDP per capita is more useful since it accounts for population, but it still misses income distribution. And GDP overall ignores valuable non-market activity while counting spending tied to negative events.