The World Bank will add to the Gallup World Poll a broad set of questions on the use of savings, credit, insurance and payment services, targeting the poor.

This null finding should not be a surprise given that the transformation of the original poll results was just to add a constant of 100 to each previous poll outcome.

The problem with poll is that the size of the structure can be quite large, and modifying the structure as you add new network connections to the list can increase the load and affect performance.