The third interpretation for slow growth during these three years is that the depressed investment and long-term unemployment caused by the deep recession of 2008-2009 had taken a toll on the capital stock and the size and skills of the labor force.
第三种解释是这三年间的缓慢增长是拜投资萎靡和长期失业所赐，而后两者的原因在于2008—2009年的深度衰退严重影响了资本存量和劳动力的规模和技能。