> Employees with children living at home increased hours workedmore than those without children at home, and suffered a bigger decline in productivity than thosewithout children. This tells you all you need to know about the study. You can't analyse the relative effectiveness of working from home and working in the office when you're conflating "remote work" with "trying to get something done on your laptop on the ki…
Your comment only tells me you wanted a different study than the one they did.
Asking what happened in the real world, including in a range of work situations, is a very interesting question to ask.
Looking for/at the delta between optimal work-at-home and the office would also be interesting, for different reasons.