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Much of the laboratory and medical equipment in resource-poor settings is out-of-service. The most commonly cited reasons are (1) a lack of spare parts and (2) a lack of highly trained technicians. However, there is little data to support these hypotheses, or to generate evidence-based solutions to the problem. We studied 2,849 equipment-repair requests (of(More)
2 Acknowledgements I would like to thank my advisor, Professor George Tauchen, for his help and support during the completion of this paper. I would also like to thank Professors Bjorn Eraker and Tim Bollerslev for their help with my research. The comments and suggestions of Abstract This paper investigates how changes in measures of sector and market(More)
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