Research from Professor Dean Yang's paper, "Directing Remittances to Education with Soft and Hard Commitments: Evidence from a Lab-in-the-Field Experiment and New Product Take-Up Among Filipino Migrants in Rome" is referred to in an article in The Economist on saving in poor countries.

You can read the full article at: www.economist.com/news/finance-and-economics/coaxing-does-more-boost-saving-compelling-beyond-cows

and Professor Yang's paper at: www-personal.umich.edu/~deanyang/papers/directingremittances.pdf