Our global institutional arrangements - the basic ground rules that govern our world economy - are human-made. They don't exist naturally, nor are they God-given. We make these rules, those of the WTO [World Trade Organization] Treaty for instance, which fill tens of thousands of pages. These words have been strung together by human beings and are also interpreted and enforced by human beings.

You can get an ice-cold Coke for around fifty cents in most developing countries, not just in the major population centers, but at the most remote and surprising places. The logistical challenges to resupplying all these outlets are enormous - and yet, the entire system works with incredible efficiency as is confirmed by the price of the product.

We live in a world where economic positions - income and wealth - are very unevenly distributed, and this leads to the widespread persistence of poverty.

The World Bank is the monopoly provider of poverty data and, partly due to a leadership change there, the World Bank's reporting has been heavily on the rosy side since about 2000. The Bank's cultivation of an upbeat picture affords a very interesting lesson in statistics and how you can, depending on which numbers you present and how you present them, create a more positive or more negative impression of the evolution of poverty.

Governments and their hired negotiators are designing the supranational rules and pressing for their adoption and for compliance - and the US government first and foremost. These governments are elected by us, funded by us, acting on our behalf, sensitive to our will, and so, we are not mere bystanders observing the injustice.

Our global institutional arrangements - the basic ground rules that govern our world economy - are human-made. They don't exist naturally, nor are they God-given. We make these rules, those of the WTO [World Trade Organization] Treaty for instance, which fill tens of thousands of pages. These words have been strung together by human beings and are also interpreted and enforced by human beings.

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.