The Institute for Fiscal Studies reported in November 2012 that a geographic share of North Sea oil would more than cover the higher public spending, but warned that oil prices are volatile and that they are drawn from a finite resource.
2012年11月财政研究所报告指出，北海石油地理份额超出公共支出，并警告油价一旦波动，石油将成为稀缺资源。