Transit, academic achievement and equalisation: evidence from a subway expansion
研究了智利大规模地铁网络扩建对高低分学生学业成就差距的短期和中期影响，发现地铁近邻性有助于缩小差距，中期内差距降低了5%的标准差。
Abstract We identify and quantify the impact of subways on equalising academic achievement in an urban school choice setting. Specifically, we study the short- and medium-term effects of a massive subway network expansion in Chile on the academic achievement gap between low- and high-performing students. Estimates are derived using fixed-effects models. Closer proximity to the subway network is associated with the equalisation of academic achievements. In the medium-term (3 years after the opening of the subway stations), the gap between low- and high-achievers decreased by 5% of a standard deviation.