High levels of involuntary unemployment throughout the advanced economies suggest that demand lags behind potential supply. While unemployment is significantly higher in sectors that were booming before the crisis, such as construction in the United States, it is more widespread, underpinning the view that greater demand is necessary to restore full employment.
非自愿失业水平在发达经济体普遍居高不下，说明需求落后于潜在供给。特别高的失业率固然集中在那些危机前的繁荣行业里，如美国的建筑业，但高失业率依然是更多行业的普遍现象，这也支持了必须以扩大需求重振就业的观点。