References of "Tabuchi, Takatoshi"
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See detailUrban Structures with Forward and Backward Linkages
Picard, Pierre M UL; Mossay, Pascal; Tabuchi, Takatoshi

E-print/Working paper (2017)

We study urban structures driven by demand and vertical linkages in the presence of increasing returns to scale. Individuals consume local urban varieties and firms use these varieties to produce a ... [more ▼]

We study urban structures driven by demand and vertical linkages in the presence of increasing returns to scale. Individuals consume local urban varieties and firms use these varieties to produce a national good. We prove the existence of a spatial equilibrium and obtain an invariance result according to which more intense demand or vertical linkages have the same effect on the urban structure as lower commuting costs. Various urban configurations can emerge exhibiting a monocentric, an integrated, a duocentric, or a partially integrated city structure. We discuss the role of commuting and transport costs, intensities of demand and vertical linkages, and urbanization in affecting these patterns. We show that multiple equilibria may arise in equilibrium involving the monocentric city and up to a couple of duocentric and partially integrated structures. [less ▲]

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See detailOn microfoundations of the city
Picard, Pierre M. UL; Tabuchi, Takatoshi

in Journal of Economic Theory (2013), 148(6), 2561-2582

This paper considers the spatial structure of a city subject to final demand and vertical linkages. Individuals consume differentiated goods (or services) and firms purchase differentiated inputs (or ... [more ▼]

This paper considers the spatial structure of a city subject to final demand and vertical linkages. Individuals consume differentiated goods (or services) and firms purchase differentiated inputs (or services) in product (or service) markets where firms compete under monopolistic competition. Workers rent their residential lots in an urban land market and contribute to the production of differentiated goods and inputs. We show that firms and workers co-agglomerate and endogenously form a city. We characterize and discuss the spatial distribution of firms and consumers in such cities on one- and two-dimensional spaces. We show that final demand and vertical linkages raise the urban density and reduce the city spread. [less ▲]

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See detailSelf-organized Agglomerations and Transport Costs
Picard, Pierre M. UL; Tabuchi, Takatoshi

in Economic Theory (2010), 42

This paper investigates the number and structure of spatial equilibria in a continuous space for a general class of transport cost functions. The economic space is represented by a circumference on which ... [more ▼]

This paper investigates the number and structure of spatial equilibria in a continuous space for a general class of transport cost functions. The economic space is represented by a circumference on which Þrms and workers-consumers are perfectly mobile. We derive the conditions to be imposed on the transport cost functions under which the distributions of workers and Þrms are stable equilibria. We also derive the conditions under which discrete distributions of workers over equidistant points (cities) are stable equilibria for large and small number of points (cities). [less ▲]

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See detailCity with forward and backward linkages
Picard, Pierre M. UL; Tabuchi, Takatoshi

E-print/Working paper (2010)

This paper considers the spatial structure of a city subject to final demand and vertical linkages. Individuals consume differentiated goods (or services) and firms purchase differentiated inputs (or ... [more ▼]

This paper considers the spatial structure of a city subject to final demand and vertical linkages. Individuals consume differentiated goods (or services) and firms purchase differentiated inputs (or services) in product (or service) markets where forms compete under monopolistic competition. Workers rent their residential lots in an urban land market and contribute to the production of differentiated goods and inputs. We show that firms and workers co-agglomerate and endogenously form a city. We characterize and discuss the spatial distribution of firms and consumers in such cities on one- and twodimensional spaces (linear city and planar city). We show that final demand and vertical linkages raise the urban density and reduce the city spread. We finally show that a city is too much dispersed compared to the social optimum. [less ▲]

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