Its interesting to see the savings increase in the figure in the article [1]. Even though they are utterly poor they do not spend on themselves instead they sav

Its interesting to see the savings increase in the figure in the article [1]. Even though they are utterly poor they do not spend on themselves instead they save for future. [1] http://www.sciencemag.org/content/348/6236/1260799/F1.large.jpg http://www.sciencemag.org/content/348/6236/1260799/F1.large....