Others say that even if the category never gets off the ground, it could cause a swifter decline in prices for regular personal computers.

The construction of the Arena has caused a substantial increase in prices for apartments in the surrounding area, which are mostly new.

But by this stage the patient reader will be asking: what causes fluctuations in absolute prices?

The statistics, by suggesting that inflation is receding, caused a rally in prices.

The war caused a general rise in prices, and newspaper subscriptions and advertisements both declined.

The end of the service is likely to cause more uncertainty in this $200 billion market and lower prices for many of these bonds, traders said.

This could cause huge overhang in prices and see valuations plumment.

This caused 800% increase in wholesale prices from April 2000 to December 2000.

By 1920, the highly profitable wartime commodity markets had fallen, causing a rapid drop in prices.

Both of these cases caused a steady increase in prices during the first months of 2008.