Poverty persists, essentially, because the people at the bottom - the bottom quarter and also the bottom half - see the gains from the rising global average income wiped out by severe declines in their relative share.

America is run by the rich and powerful in their own interest. To an extent that I think is hard to exaggerate, the intellectuals - academics, journalists and so on - are bought off. And that's a big change that happened in the United States in the last 30 or 40 years.

Severe poverty is getting better by some measures, but it's also becoming ever more scandalous because it is now so easily avoidable.

In the domain of pharmaceuticals, we need a metric for health impact, and with this metric we can then assess the value of the introduction of a new product and pay its innovator accordingly, say on the basis of the product's measured health impact during its first ten years on the market. In exchange, innovators must of course renounce the usual rewards they are otherwise entitled to, namely the patent-protected markup on the price of their product.

In order to achieve something, in competition with the powerful and smartly wielded influence of corporations, we need to join forces and be as well-organized as they are. This does not come natural to us more intellectual types, as we tend to be averse to hierarchy and groupthink; we don't like to be part of anything like a disciplined and well-organized team or movement. But the alternative is to continue losing politically - which means continued failure to protect the world's poor, who are really bearing the brunt of our disorganization.

Some of the developing-country governments and populations are tired of having things rammed down their throats, but we're not yet at the stage we want to get to, namely where the developing countries join forces with one another on behalf of creative alternative ideas about how to take things forward.

It seems far-fetched, even preposterous, to blame the global economic order for the persistence of severe poverty in countries that are ruled by obvious thugs and crooks.