TED : Can we buy Happiness for money?

Yes

Check this short TED Video to figure out.
This is a story of a experiment buying happiness for money.

Michael Norton did a small experiment buying happiness with money at Canada. He first gave money to subjects to use it for oneself. And he gave another group to use money for anyone else. He also gave people $5 or $20 to figure out the impact of the amount.

What was the result?
Some bought coffee, accessory, etc. But people who use money for others answer more happier than who didn't. He did a same experiment at Uganda. It gave the same result with previous one. 

Dose donation and happiness have correlation?!
Yes, most countries around the world answer that they have positive correlations. Also this can be apply to corporations and sport teams.