Practicing gratitude has been proven to increase happiness.

经证明，学着感恩是能增加幸福感。

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But before Lyubomirsky began, there was "a huge vacuum of research on how to increase happiness, " she says.

可在柳波默斯基之前，这个“关于提高幸福感的研究领域存在一个很大的真空地带”。

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"Children do seem to increase happiness [while] you're expecting them, but as soon as you have them, trouble sets in," he told the conference.

“孩子的确似乎能增加家庭的幸福，人们也是这样期望的，但一但生了孩子，麻烦就来了，”他在大会上说。

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So in order to increase happiness we want to get as close to full employment as we can.

FORBES: World Happiness Report: Even Jeff Sachs and Richard Layard Don't Really Believe It

Jeffrey Sachs chases after the Easterlin Paradox and so claims that we should all be running the economy to increase happiness not just to increase the economy.

FORBES: Jeff Sachs and the Economics of Happiness

However, this does give us a clue to what I think would in fact be the one single thing we could do in order to increase happiness in our modern day society.

FORBES: Jeff Sachs and the Economics of Happiness