Working from Home, Worker Sorting and Development (nber.org)

"We conduct an RCT in the data entry sector in India that exogenously allocates workers to the home or office. We find that the productivity of workers randomly assigned to working from home is 18% lower than those in the office"

FWIW I personally work from home and I don't /feel/ like my productivity suffers.

What type of workers were part of this study: ie job type