An empirical test of modal choice and allocative efficiency : evidence from US coal transportation /
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| Main Author: | |
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| Format: | Thesis Book |
| Language: | English |
| Published: |
2009.
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| Subjects: | |
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| Physical Description: | ix, 78 p. : ill. ; 30 cm. |
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| Bibliography: | Bibliography: leaves 53-58. |