Not &quot;idle&quot; exactly, but in the Canadian Mincome experiment, teenagers and new parents decreased work hours (to focus on studies and childcare, respectively).<p><a href="http:&#x2F;&#x2F;public.econ.duke.edu&#x2F;~erw&#x2F;197&#x2F;forget-cea%20(2).pdf" rel="nofollow">http:&#x2F;&#x2F;public.econ.duke.edu&#x2F;~erw&#x2F;197&#x2F;forget-cea%20(2).pdf</a>