This paper uses highly disaggregate data to study the impact of a new metro on firm productivity. The planned-route IV methodology ensures the causality of results and a fine spatial scale detects the geographical scale of the impact. We find that within 750 meters to stations aggregate value...

This paper analyses the relationship between firms' multi-factor productivity and the effective employment density of the areas where they operate. Quantifying these agglomeration elasticities is of central importance in the evaluation of the wider economic benefits of transport investments. We...