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The Political Economy of Linguistic Cleavages
This paper uses a linguistic tree, describing the genealogical relationship between all 6,912 world languages, to compute measures of diversity at different levels of linguistic aggregation. By doingExpand
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This paper investigates the effect of linguistic diversity on redistribution in a broad cross-section of countries. We use the notion of "linguistic distances" and show that the commonly usedExpand
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The Geography of Development
We develop a dynamic spatial growth theory with realistic geography. We characterize the model and its balanced-growth path and propose a methodology to analyze equilibria with different levels ofExpand
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On Spatial Dynamics
It has long been recognized that the forces that lead to the agglomeration of economic activity and to aggregate growth are similar. Unfortunately, few formal frameworks have been advanced to exploreExpand
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The Stability and Breakup of Nations: A Quantitative Analysis
This paper quantitatively analyzes the stability and breakup of nations. The tradeoff between increasing returns in the provision of public goods and the costs of greater cultural heterogeneityExpand
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Spatial Development
We present a theory of spatial development. A continuum of locations in a geographic area choose each period how much to innovate (if at all) in manufacturing and services. Locations can tradeExpand
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Spatial Growth and Industry Age
Between 1970 and 2000 employment growth across U.S. counties exhibited very different patterns in manufacturing and services. Expand
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The Settlement of the United States, 1800 to 2000: The Long Transition Towards Gibrat's Law
This paper studies the long run development of U.S. counties and metro areas from 1800 to 2000. In earlier periods smaller counties converge whereas larger counties diverge. Over time, due to changesExpand
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Urban Accounting and Welfare
This paper proposes a simple theory of a system of cities that decomposes the determinants of the city size distribution into three main components: efficiency, amenities, and frictions. HigherExpand
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Changes in the spatial concentration of employment across US counties: a sectoral analysis 1972–2000
Using US county data, we estimate employment growth equations to analyze how the spatial distribution of jobs has changed between 1972 and 2000. We find that total employment has become increasinglyExpand
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