You might also find this interesting: http://www.independent.co.uk/news/world/europe/sweden-introd...
This was my summary of it when it was last posted:
https://news.ycombinator.com/item?id=11683235
Regardless of the outcome (productivity -> more / less / equal), I would like to see the same experiment in IT or even other so called white-collar positions. I am sure things would be different.
You might also find this interesting: http://www.independent.co.uk/news/world/europe/sweden-introd...