OXERA, an energy consultancy, points out that a wider set of objectives has involved regulators in politically sensitive trade-offs.

ECONOMIST: Regulation: Irregular | The

And the plethora of agencies and affiliated organisations that deal with poverty - from the World Bank to the IMF to the World Trade Organisation - have had very different aims and objectives.

BBC: Attacking world poverty

And he knew that negotiations often involve trade-offs and a balance of both near- and longer-term objectives.

FORBES: 'The Art of the Possible,' Human Rights, and Sustainable Investing