this theoretical framework is the "churning" of industries across cities. Little is known so far about the determinants of … unsuccessful cities is strongly driven by the disappearance of old-fashioned and declining industries such as agriculture or mining …

How much of the geographic clustering of economic activity is attributable to agglomeration spillovers as opposed to … attenuated, suggesting the presence of important agglomeration spillovers. Over a 50 year horizon, I estimate that at least one … removing control counties with environmental regulations. I also find small local agglomeration effects from smaller dam …

cities toughen competition, allowing only the most productive to survive) and agglomeration economies (larger cities promote … a generalised version of a tractable firm selection model and a standard model of agglomeration. Stronger selection in … larger cities left-truncates the productivity distribution whereas stronger agglomeration right-shifts and dilates the …

that industrial agglomeration improves the quality of the firm-worker matching process. Our method makes use of recent …