Money can buy happiness, but up to what point? And does working more make us miserable? And will you be happier if you start your own company? Here's what the research tells us...
1) Generally speaking, richer countries are happier countries (see above). But since many of these rich countries share other traits -- they're mostly democracies with strong property rights traditions, for example -- some studies suggest that it's these institutions that are making us happy, not just the wealth.
2) Generally speaking, richer people are happier people. But young people and the elderly appear less influenced by having more money.
3) But money has diminishing returns -- like just about everything else. Satisfaction rises with income until about $75,000 (or perhaps as high as $120,000). After that, researchers have had trouble proving that more money makes that much of a difference. Other factors -- like marriage quality and health -- become more relatively important than money. It might be the case that richer people use their money to move to richer areas, where they no longer feel rich. Non-economists might chalk this up to the "keeping up with the Jones'" principle.
- 3a) The diminishing-returns principle is true for entire countries, too... The "Easterlin Paradox" suggests that once a developed country passes a threshold average income, more growth doesn't increase average reported happiness.
- 3b) ... but there might be exceptions. Betsey Stevenson and Justin Wolfers, disagreeing with Easterlin, have showed that some countries, such as Japan and Italy, have clearly rising levels of well-being alongside rising GDP.
4) Income inequality reduces well-being, and higher public spending increases well-being. These conclusions have been reached many times and called into question many times. The high level of self-reported well-being across northern Europe, which has very high public spending, Most interestingly, "perceived social mobility" might mitigate the effects of income inequality. If people think they can move up, they're willing to tolerate a huge equality gap.
5) Unemployment just makes you miserable. Across most surveys, nothing correlates with unhappiness more than unemployment, except perhaps for bad health. This effect is particularly strong among men in Great Britain, Germany, and the U.S. There is an odd silver lining: Being around lots of other unemployed people makes us feel better about not having a job. So high-unemployment regions can possibly "neutralize" the negative effects of unemployment.
6) Inflation makes you pretty unhappy, too. But its effect is weaker than unemployment. The mixed evidence seems to suggest that a volatile inflation rate decreases well-being, but in countries with generally stable prices, a little inflation has a small effect on happiness. Guess whose happiness inflation ruins the worst? Right-wingers, apparently.
7) ) Working more hours makes you happier ... until it makes you miserable. As workers move from part-time work to full-time work, they're happier. But as they move from full-time work to Jesus-when-will-this-day-finally-end work, the joy of work subsides. There seems to be an "inverse U-shaped relationship" between hours worked and subjective well-being, although the precise figures differ across countries. Fascinatingly, one study found that, although working long regular hours correlates negatively with well-being, "working overtime has a positive effect on job satisfaction." Go figure.
8) Commuters are less happy. The studies here are really interesting. Daniel Kahneman's research on female happiness found that while community, women experienced the "lowest ratio of positive to
negative emotions during the day. Health scientists say that commuting can make you sick and die (not conducive to happiness). One study put the magic number at 22: If your commute is more than 22 minutes, there is an appreciable decline in reported well-being. Yet another found that for every 10 minutes of additional commuting, community involvement falls by 10 percent.
9) Self-employed people are happier. When workers think they're good at their job and that their bosses like them, they're more satisfied. So it makes sense that when they are their own boss, they're happier to work. A famous OECD study found that self-employed "typically report higher levels of overall job satisfaction than the employed." But another study suggests that only rich self-employed people are happier to be self-employed.
10) Debt sucks. The kind of debt matters. Mortgage debt doesn't correlate strongly with happiness. Credit card debt does. Either way, high debt correlates strongly with anxiety and depression.
(Via Well-being evidence for policy: A review. For another discussion of happiness economics that is generally more optimistic about income's relationship to happiness, see this Brookings review of Stevenson/Wolfers' research)
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