The pursuit of happiness turns out to be as frustrating as hunting the holy grail, yet the "pursuit of happiness" is enshrined in the Declaration of Independence as a national goal.

People say they've been getting slowly happier. In 45 of 52 countries, happiness has risen during the past 30 years. This coincides with people getting richer. Contrary to myth, rich countries have slightly happier citizens than poor countries.

What is it about prosperity that brings happiness?

(READ the article in the Wall Street Journal)