<p>There’s actually a pretty strong correlation between income and happiness:
<a href=“http://freakonomics.com/2008/04/22/the-economics-of-happiness-part-4-are-rich-people-happier-than-poor-people/”>http://freakonomics.com/2008/04/22/the-economics-of-happiness-part-4-are-rich-people-happier-than-poor-people/</a></p>