A decline in world oil prices during the 1980's severely weakened the economy.

The higher estimate is the result of an increase in world oil prices.

But the dispute among its 13 members is not expected to have a significant effect on world oil prices.

The critical scenario is characterized primarily by low world oil prices.

News of the raid was also followed by a small jump in world oil prices.

This could come through an import fee or a rise in world oil prices.

In the following year, average world oil prices fell by more than 50 per cent.

So businesses, facing high world oil prices, are supplying less of both.

Average world oil prices fall by over 50 percent in 1986.

Even if world oil prices continue to fall, air freight costs will always be substantial.

A decline in world oil prices during the 1980's severely weakened the economy.

The higher estimate is the result of an increase in world oil prices.

But the dispute among its 13 members is not expected to have a significant effect on world oil prices.

The critical scenario is characterized primarily by low world oil prices.

News of the raid was also followed by a small jump in world oil prices.

This could come through an import fee or a rise in world oil prices.

In the following year, average world oil prices fell by more than 50 per cent.

So businesses, facing high world oil prices, are supplying less of both.

Average world oil prices fall by over 50 percent in 1986.

Even if world oil prices continue to fall, air freight costs will always be substantial.