The question whether agglomeration effects are of importance for regional development has a long tradition in regional science. This paper asks if regional characteristics and specifically ag-glomeration effects influence the performance of plants in Germany and, if so, in which direction....

This study analyzes empirically the effects of import competition on firm productivity (TFPQ) using administrative firm-level panel data from German manufacturing. We find that only import competition from high-income countries is associated with positive incentives for firms to invest in...