> Because it allows them to maximise the returns? That's also the major difference between a sovereign wealth fund, designed to provide income to the state, an

> Because it allows them to maximise the returns? That's also the major difference between a sovereign wealth fund, designed to provide income to the state, and an economic development fund. It also raises real political risks: it takes government competence over the long term to not use such a fund as an easy source of money for patronage-type "investments."