We then chose to compare spending to the only performance measures that can be used to compare students equally across the country.

FORBES: Best And Worst School Districts For The Buck

Morgan Stanley's Horacio Valeiras says that sector and country factors are equally important in explaining stock performance across the world, while sector considerations account for about two-thirds of the effect in the euro area.

ECONOMIST: When countries don��t count

We have built in performance benchmarks across the board to ensure that we get new products and services--customised to individual country needs--delivered more quickly and more simply than ever.

ECONOMIST: World Bank reform