Like equity analysts, Keenan's staff of 24 do bottom-up research, monitoring and modeling free cash flow estimates to create their own credit ratings for borrowers.

FORBES: Magazine Article

Also for pre-planning, the free Flight Calculator Windows app estimates carbon emissions for flights around the world and gives an option to immediately purchase offsets that fund a range of verified projects from Carbon Footprint Ltd.

BBC: How big is your carbon footprint?

Even the Bank's new estimates say that fully free trade in goods could boost Africa's income by more than, say, this year's much-hailed deal on debt relief.

ECONOMIST: Weighed in the balance

Tests like Dr Mebane's one could provide monitors with quantitative estimates of exactly how free and fair an election has been, on which to base their qualitative judgment of whether that is indeed acceptable.

ECONOMIST: How to detect voting fiddles

After a quick mental calculation, she estimates that would mean just 10 free places at her college.

BBC: NEWS | UK | Education | College criticises 'narrow' FE focus

According to analysts at Lehman Brothers, Anglo American has a free cash flow yield of 9.5% on its 2007 estimates, while BHP has a yield of 10%, and Rio Tinto, 11.2%.

FORBES: Anglo American Falls On Stingy Buyback