Why do cities differ so much in productivity? We document that most of the measured dispersion in productivity across US cities is spurious and reflects granularity bias: idiosyncratic heterogeneity in plant-level productivity and size, combined with finite plant counts. As a result, economies...

Why do cities differ so much in productivity? We document that most of the measured dispersion in productivity across US cities is spurious and reflects granularity bias: idiosyncratic heterogeneity in plant-level productivity and size, combined with finite plant counts. As a result, economies...

Abgrenzung des Untersuchungsbereichs und Begriffsbestimmung -- Anforderungen an ein Verfahren zum Multi-Site-Scheduling -- Modellkonzeption -- Grundmodelle und Lösungsansätze -- Verfahrensentwicklung -- Validierung -- Zusammenfassung und Ausblick.