The excerpt below presents a hypothetical example of how reducing the hours of work can create jobs without assuming a fixed amount of work. It was developed by Howard G. Foster — then a teaching assistant at the New York State School of Industrial and Labor Relations at Cornell — and published in the April, 1966 Labor Law Journal. I
http://econospeak.blogspot.ca/2015/02/unemployment-and-shorter-hours-howard-g.html
Thanks to Tom Walker of Vancouver for spotting this.
degrowthcanada.wordpress.com 
Just wondering – when I had children back in the 80’s I chose to drop out of the workforce to be a stay-st-home parent and I felt a side benefit was freeing up my job for someone else. Does this model fit in with the job-sharing and / or reduced hours idea? Encourage stay-at-home parenting as an alternative to what I see as greedy hanging on to two incomes per family.