What Do We Know?

There are papers that show long term evidence. The longest one actually coming from the us. On something called the mother's pension programme, where they looked, 50 years after the programme, at how the children of the recipients did. And as it turned out, the children lived longer and had higher income during their lifetime. So that's by far the longest study, and it's published in american econ review. What about evidence? In the areas were gind in the developing world, there are two things.