Productivity differences within the service sector /
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| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
New York :
National Bureau of Economic Research ,
1967.
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| Series: | Occasional paper (National Bureau of Economic Research) ;
102. |
| Subjects: |
| Physical Description: | 109 p. |
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