This handbook chapter studies the theoretical micro-foundations of urban agglomeration economies. We distinguish three … precise characterisation of some of the main theoretical underpinnings of urban agglomeration economies, to discuss modelling … issues that arise when working with these tools, and to compare different sources of agglomeration economies in terms of the …

structure of economic activity. We address a central policy issue, the high extent of urban agglomeration in Tokyo. Then we turn …

We review the theoretical links between growth and agglomeration. Growth, in the form of innovation, can be at the … origin of catastrophic spatial agglomeration in a cumulative process la Myrdal. One of the surprising features of the Krugman … trade model with trade costs could lead to catastrophic agglomeration. The growth analog to this result is that the …

agglomeration economies. An important aspect of these externalities that has not been previously emphasized is that the effects of … agglomeration extend over at least three different dimensions. These are the industrial, geographic, and temporal scope of economic … agglomeration economies. In each case, the literature suggests that agglomeration economies attenuate with distance. Recently, the …