This paper estimates agglomeration benefits based on city productivity differentials across five OECD countries (Germany, Mexico, Spain, United Kingdom, and United States). It highlights the relationship between cities’ governmental fragmentation and productivity, and represents the first...

This paper examines the role of regional aggregation in measuring agglomeration externalities. Using Dutch administrative data, we define local labour markets (LLMs) based on the worker's commuting outcomes, gender and educational attainment, and show that high-educated workers and male workers...

This paper provides an empirical analysis of the extent to which people in different occupations locate near one another, or coagglomerate. We construct pairwise Ellison-Glaeser coagglomeration indices for U.S. occupations and use these measures to investigate the factors influencing the...

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...