shrinkage

The upshot is that officials eventually must decide when to resume purchases of securities to prevent further passive shrinkage of reserves.

There are several causes for the yield shrinkage, one being the big share price increases in recent years that pushed yields lower.

"These materials tend to be porous, which significantly reduces their strength, and the parts suffer from excessive shrinkage, which causes warping," he says.

His team at Glamos has monitored a record shrinkage of the glaciers over the past few years.

More distressing is the collapse or shrinkage of the guardrails to prevent it, from the press to Congress to the business community to some judges.