Productivity trends in the goods and service sectors, 1929-61 : a preliminary survey.
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| Format: | Book |
| Language: | English |
| Published: |
[©1964]
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| Series: | Occasional paper (National Bureau of Economic Research) ;
89. |
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| Physical Description: | ix, 48p : illustrations ; 23cm. |
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| Bibliography: | Bibliographical footnotes. |