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      <marc:subfield code="a">Co23-19/1979E-PDF</marc:subfield>
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      <marc:subfield code="a">Denny, M. </marc:subfield>
      <marc:subfield code="q">(Michael)</marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Productivity, employment and technical change in Canadian telecommunications : </marc:subfield>
      <marc:subfield code="b">the case for Bell Canada / </marc:subfield>
      <marc:subfield code="c">Michael Denny, Melvyn Fuss, Carol Everson.</marc:subfield>
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      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Department of Communications,</marc:subfield>
      <marc:subfield code="c">March 1979.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 114).</marc:subfield>
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      <marc:subfield code="a">"The main purpose of this project is to measure and interpret the growth in productivity over the 1952-76 time period for one of Canada's major telecommunications firms, Bell Canada. A second purpose of the project is to estimate the effects on employment of the diffusion of two particular technological innovations which occurred during this period. The two technological innovations that are included in the analysis are (i) the introduction of direct-distance dialing facilities, and (ii) the introduction in central offices of modern switching facilities such as Number 5 Crossbar, Electronic and SP1"--Executive summary, page i.</marc:subfield>
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      <marc:subfield code="a">Fuss, Melvyn A., </marc:subfield>
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      <marc:subfield code="a">Everson, Carol, </marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/isde-ised/Co23-19-1979-eng.pdf</marc:subfield>
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