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Task Specialization in U.S. Cities from 1880-2000

  • Guy Michaels
  • Ferdinand Rauch
  • Stephen J. Redding

We develop a new methodology for quantifying the tasks undertaken within occupations using 3,000 verbs from around 12,000 occupational descriptions in the Dictionary of Occupational Titles (DOTs). Using micro-data from the United States from 1880-2000, we find an increase in the employment share of interactive occupations within sectors over time that is larger in metro areas than non-metro areas. We provide evidence that this increase in the interactiveness of employment is related to the dissemination of improvements in transport and communication technologies. Our findings highlight a change in the nature of agglomeration over time towards an increased emphasis on human interaction.

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Paper provided by Centre for Economic Performance, LSE in its series CEP Discussion Papers with number dp1186.

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Date of creation: Feb 2013
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Handle: RePEc:cep:cepdps:dp1186
Contact details of provider: Web page: http://cep.lse.ac.uk/_new/publications/series.asp?prog=CEP

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  18. Jeffrey Lin, 2009. "Technological adaptation, cities and new work," Working Papers 09-17, Federal Reserve Bank of Philadelphia.
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  29. Marigee Bacolod & Bernardo S. Blum & William C. Strange, 2009. "Urban interactions: soft skills versus specialization," Journal of Economic Geography, Oxford University Press, vol. 9(2), pages 227-262, March.
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