But the small sums involved might not be enough to help the economy.

The sums involved are significant: $5.4 billion over the last 20 years.

"I don't quite know what the sum involved is, but it must be large."

The sum involved would have affected the entire global economy.

But other estimates suggest the sums involved could be far higher.

One thing all agree on is that the sums involved are staggering.

The sums involved mean higher payments or taxes, and these have to last for a long time to come.

The sums involved would be affordable if countries put the right policies in place, he said.

No one argues that the sums involved will go far toward meeting the nation's housing needs.

The sums involved are far smaller than figures that have been mentioned in other reports.