Technological change explains about 80% of the decrease in under-5 mortality across countriesJHE 48: 16-25 pic.twitter.com/IpNIPyprYV— Stefan Thewissen (@ThewissenS) June 22, 2016
Technological change explains about 80% of the decrease in under-5 mortality across countriesJHE 48: 16-25 pic.twitter.com/IpNIPyprYV