For starters, it is likely that the contribution to output growth of the rising ratio of working-age people prior to 2010 was overestimated. That makes the subsequent decline in the ratio an inaccurate measure with which to determine the negative impact on economic performance.
首先，在2010年以前劳动人口数量增长率对生产增长的贡献很可能被高估了。这使得随后该比率的下跌成为了测定经济负面影响的一个不准确手段。