Bühler, Ralph; Pucher, John - In: Vierteljahrshefte zur Wirtschaftsforschung / Quarterly … 79 (2010) 2, pp. 127-138
Improved financial sustainability of public transport promotes environmental and social sustainability because more efficient public transport can be expanded more with any given budget and thus provides a better alternative to the car. Over the past two decades, Germany has improved the quality...