The third impact will be sharp rises in prices.
Several other African countries have recalculated their economic data recently, producing sharp rises in GDP estimates.
That, coupled with rigid labour markets in some places, led to sharp rises in nominal wages.
Air fares fell after sharp rises in December, down 35.8% month on month in January.
In the past, sharp rises in US bond yields have caused chaos in emerging markets.
What you really need to avoid is sharp rises in interest rates.
Recent studies have shown sharp rises in the numbers of young people accessing porn.
These sharp rises in sea level and resultant worldwide flooding are thought to have had two causes.
The economy is returning to growth, with sharp rises in exports and industrial production (though unemployment remains high).
The announcement, before the stock market opened today, followed sudden sharp rises in both companies' stocks on Thursday.
"If supply is interrupted, then at best we'll see sharp rises in forecourt prices and, at worst, there is the unlikely but real possibility of pumps running dry".
