Mobile phones can give key advice to improve the yields of millions of poorer farmers around the world. Michael Kremer, a 2019 Economics Nobel Prize winner tells us more. Show more
Discover 11,128,835 listings and 277,859 playable programmes from the BBC
Mobile phones can give key advice to improve the yields of millions of poorer farmers around the world. Michael Kremer, a 2019 Economics Nobel Prize winner tells us more. Show more