In some cases the problem is a shortage of supplies.

Also, the supply shortage in gold is much smaller than that for silver.

At this time, however, the Soviet units experienced supply shortages.

The others are an improving economy, strong housing demand and a supply shortage.

This would ease worries in the West about supply shortages.

Serious supply shortage during 2005 had impacted the operation of many Chinese companies.

"In the absence of special supply shortages, there is no way to push up prices," he said.

There were shortages of coal, ammunition, food, and medical supplies.

Due to the nearly constant violence, there are ongoing shortages of food, water, and other supplies.

But some Russian manufacturers have increased production to fill the supply shortage.