Notes, Comments and Preliminary results Sep 30 2024 Dierk Herzer   A panel data analysis of the long-run effect of environmental taxes on R&D expenditures at the macro-level   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Mar 05 2017 Peter Kannen , Julian Donaubauer and Dierk Herzer   How do South-South and North-South FDI affect total factor productivity growth in developing countries?   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result