With respect to the recently ratified economic stimulus package in Germany, it is fundamentally important to observe whether the expansion of physical infrastructure will further contribute to economic growth. This paper presents a way to address the problem of endogeneity using panel data on 16...

This paper addresses the question if physical infrastructure and personnel infrastructure (i.e. human capital) are positively related to economic output. Relevant theoretical literature provides a variety of arguments concerning a positive impact of infrastructure endowment on economic out-put....