Yes:
“Happiness economics” should not be just about whether macro-variables raise or lower well-being, we also need to look to the micro-level impact of happiness on behaviour. So far we know that happier individuals are more productive, the effect coming largely through increased effort, whether we consider a short-run shock induced in a laboratory or longer-run real-life shocks.
Source is Daniel Sgroi. For the pointer I thank Robert Cottrell at The Browser.
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