05.07.2009
Gap between what energy producing countries can / are supplying and global consumption. If for instance OPEC is down in 2008 to a spare capacity of 2.5 million b/d, there is hardly any safety margin to counteract against supply interruptions on the one hand and demand spikes on the other to ensure price stability
A measure of signal strength relative to background noise. The ratio is usually measured in decibels (dB). >
