由奥斯本设立、评估政府宏观经济表现的独立机构预算责任办公室（Office of Budget Responsibility）刚刚估算，从2010年到2012年，紧缩导致GDP增长下降2 % ， 2010年以来的累计损失相当于GDP的5 % 。
The Office of Budget Responsibility, the independent agency set up by Osborne to assess the government’s macroeconomic performance, has just concluded that austerity reduced GDP growth by 2% from 2010 to 2012, bringing the cumulative cost of austerity since 2010 to 5% of GDP.