Im vorliegenden Diskussions-Papier werden die externen Luftverschmutzungskosten des motorisierten Individualverkehrs (MIV) für verschiedene Technologien, Fahrsituationen und alle Regionen in Deutschland berechnet. Dabei ist das Ziel der Untersuchung, die Notwendigkeit einer fahrtortsbezogenen...

Urban infrastructure is essential to building sustainable cities. In recent years, municipal governments have invested heavily in the expansion of bike lane networks to meet growing demand, promote ridership, and reduce emissions. However, re-allocating vehicle capacity in a road network to...

Highway construction occurs nowadays mainly through widening of ex- isting roads rather than building new roads. This paper documents that highway widenings considerably reduce congestion in the short run, defined here as 6 years. Using longitudinal microdata from highway detector loops in the...

The COVID-19 pandemic and lockdowns have led to a rise in gender-based violence. In this paper, we explore the economic consequences of violence against women in sub-Saharan Africa using large demographic and health survey data collected pre-pandemic. Relying on a two-stage least square method...