A new form of lending using digital collateral has recently emerged, most prominently in low and middle income countries. Digital collateral (DC) relies on "lockout" technology, which allows the lender to temporarily disable the low value of the collateral to the borrower without physically...

Most of the medium-run growth in energy demand is forecast to come from the developing world, which consumed more total units of energy than the developed world in 2007. We argue that the main driver of the growth is likely to be increased incomes among the poor and near-poor. We document that...