I would love to know how they are measuring the success of this measure -- and I'm not being cynical. How would one even begin to weigh the tradeoffs of closing business for everyone for an entire week against the increased productivity upon return and something woolly like "improved morale." What if giving everyone a week of twice a year was actually beneficial to the company? Or even quarterly? Many companies alrea…
If the effects are minor I think it will be difficult to measure the impact on any one company given the number of confounding variables. In that case the only way to determine the correlation between these kinds of things and business success might be to gather enough statistical evidence across industries.
Nothing like coming back to the office after a week off and you're already back up to your eyeballs in work, the moment you step back into the office.