Genetic Basis For Happiness?

From an article in the The Economist:

“The adolescents in Dr De Neve’s study were asked to grade themselves from very satisfied to very dissatisfied. Dr De Neve found that those with one long allele were 8% more likely than those with none to describe themselves as very satisfied; those with two long alleles were 17% more likely.”

If satisfaction is in part a function of genetics, and our genetics will eventually be modifiable, then this suggests the problem of human dissatisfaction could some day be tackled at a very low level. What effect would technologically-enhanced satisfaction have on economic demand?

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