Following reunification, productivity in eastern Germany grew rapidly. A strong industrial sector is key to a thriving German economy. However, the narrowing of the industrial productivity gap between eastern and western Germany has come to a standstill since the financial and economic crisis...

This paper analyzes the effect of agglomeration economies on firms’ total factor productivity. We propose the use of a control function approach to overcome the econometric issue inherent to the two-stage approach commonly used in the literature. Estimations are conducted separately for four...