Enlace original:
https://openknowledge.worldbank.org/handle/10986/22222
Augurzky, Boris
,
Bauer, Thomas K.
,
Reichert, Arndt R.
,
Schmidt, Christoph M.
,
Tauchmann, Harald
,
[ Small Cash Rewards for Big Losers , Experimental Insights into the Fight against the Obesity Epidemic ]