Lalive, Rafael; Luechinger, Simon; Schmutzler, Armin - C.E.P.R. Discussion Papers - 2013
increases in service frequency reduce road traffic externalities. We exploit differences in service frequency growth by … procurement mode following a railway reform in Germany to address endogeneity of service growth. Increases in service frequency … reduce the number of severe road traffic accidents, carbon monoxide, nitrogen monoxide, nitrogen dioxide pollution and infant …