Purchasing power parities are not a reasonable method for comparing households across countries or currencies. The reason for this is simply that PPPs are sensitive to the prices of all the commodities, goods and services, that households are consuming worldwide, with each commodity weighted in the calculations according to its share in international household consumption expenditure.

Because present procedures by design favor the affluent, the poor are being increasingly marginalized. And because the poor are so marginalized, they can exert little influence on institutional design decisions. We need to break out of this vicious spiral and create momentum in the opposite direction.

Our Supreme Court has lifted the practice of buying legislation to the level of a constitutional principle by repeatedly protecting corporate spending for and against political candidates, as well as promises and threats of such spending to bribe and blackmail such candidates, by appeal to the free-speech clause of the First Amendment.

I see a violation of human rights not in the mere fact that people don't have enough to eat and that they are very vulnerable, but I see it in the fact that the economic institutional order of the world is associated with this very persistent poverty and that different institutional arrangements at the supranational level could stop and even reverse the slide towards ever-greater income disparities.

If you ask yourself who is paying for pharmaceutical innovation today, the answer is that it's the more affluent populations paying for still-patented advanced medicines at the pharmacy, for comprehensive insurance coverage or for a national health system.

The collective shortfall of the 3.08 billion people (47 percent of world population) who, in 2005, lived below $2.50 per day was $507 billion per annum, which indeed comes to about two-thirds of the present US military budget. This gives us a rough sense of how much the eradication of poverty would cost.

Countries compete in offering easy working conditions to their banks. In many jurisdictions, you can deposit money anonymously with no questions asked, even if the accepting bank knows that it derives from criminal activities.