Money so that you are not directly poor makes you happy. More money than that doesn't affect happiness much. Unemployment is incredibly unhappiness-inducing. "in happy nations democracy prevails, the inhabitants have high education, good access to information and good opportunities to design their lives according to their own preferences. Social fragmentation and economic inequality make us unhappy…”. Advertising also makes us unhappy, because it tries to make us unhappy as we are or with what we have. You also become happier from non-profit work or political involvement and from striving to make the world fairer.
Source: Göteborgs-Posten, "Think of others and be happy" by Eva-Lotta Hulthén ss. 70-71, Date 081116