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

  • Michaels, Guy
  • Rauch, Ferdinand
  • Redding, Stephen J.

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 C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 9308.

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Date of creation: Jan 2013
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Handle: RePEc:cpr:ceprdp:9308
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