It isn't actually being suggested that we reduce the total amount of work done. What is being suggested is that we have some of the unemployed be allowed to get access to the labour that is required via limiting the hours existing workers can put in. GDP growth can still be achieved as the amount of work remains unchanged.  In fact, as more of the population become involved in the workforce a lot of other problems and costs will disappear from the economy and society that imposes a maximum working week." two economists argue that a drop of two percentage points in unemployment would mean a 9% decline in burglary, 14% in rape and robbery and 30% in assault."1  1 Prof. Rudolph Winter-Ebmer ""Identifying the Effect of Unemployment on Crime" CEPR Discussion paper, 2001