Berliant, Marcus and Zenou, Yves (2012): Labor differentiation and agglomeration in general equilibrium.
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The aim of this paper is to explore the structure of cities as a function of labor differentiation, gains to trade, a fixed cost for constructing the transportation network, a variable cost of commodity transport, and the commuting costs of consumers. Firms use different types of labor to produce different outputs. Locations of all agents are endogenous as are prices and quantities. This is among the first papers to apply smooth economy techniques to urban economics. Existence of equilibrium and its determinacy properties depend crucially on the relative numbers of outputs, types of labor and firms. More differentiated labor implies more equilibria. We provide tight lower bounds on labor differentiation for existence of equilibrium. If these sufficient conditions are satisfied, then generically there is a continuum of equilibria for given parameter values. Finally, an equilibrium allocation is not necessarily Pareto optimal in this model.
|Item Type:||MPRA Paper|
|Original Title:||Labor differentiation and agglomeration in general equilibrium|
|Keywords:||city structure; heterogeneous labor; transportation network; general equilibrium|
|Subjects:||D - Microeconomics > D5 - General Equilibrium and Disequilibrium > D51 - Exchange and Production Economies
R - Urban, Rural, Regional, Real Estate, and Transportation Economics > R1 - General Regional Economics > R14 - Land Use Patterns
|Depositing User:||Marcus Berliant|
|Date Deposited:||26 Jan 2012 23:15|
|Last Modified:||09 Feb 2017 20:01|
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