Rahul Kapoor

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When collecting and combining data from various sources into a data warehouse, ensuring high data quality and consistency becomes a significant, often expensive, challenge. Common data quality problems include inconsistent data conventions amongst sources such as different abbreviations or synonyms; data entry errors such as spelling mistakes; missing,(More)
for their generosity in sharing their data with us. Finally, our thanks to many industry professionals with whom we have had the pleasure to discuss their experiences. All errors remain our own. ABSTRACT Product innovations are often enabled by changes in components. We examine how firms' ability to manage such changes depends on their governance(More)
Why do some new technologies emerge and immediately supplant incumbent technologies while others take years or decades to takeoff? We explore this question through a framework that weighs the emergence challenges that need to be overcome by a new technology against the extension opportunities that are available to the old technology. We consider both the(More)
Birt–Hogg–Dubé syndrome, first described in 1977, is a rare autosomal dominant condition that commonly presents with skin lesions, including fibrofolliculomas and trichodiscomas; pulmonary cysts; spontaneous pneumothoraces; and renal cancer. We present the only known cases of intracranial vascular pathologies in patients with Birt–Hogg–Dubé syndrome. We(More)
for their extremely helpful comments and suggestions on this paper. I would also like to thank the various people at Croesus, who helped me access and understand the data. ABSTRACT Individuals often enter similar jobs via two very different routes: internal mobility (promotions and transfers) and external hiring. Yet we know little about how the differences(More)
Yingnan Xu for their help in compiling some of the data used in the study. All errors are mine. Abstract A stylized model of industry evolution suggests that an industry is initially dominated by vertically integrated firms and over time, it transforms into a vertically specialized structure. Many industries, however, are characterized by a continued(More)
INTRODUCTION High-dose methylprednisolone (HDMP) in combination with rituximab is active in the treatment of relapsed/refractory chronic lymphocytic leukemia (CLL), but serious infections are frequent. Recently published data suggested that high-dose dexamethasone might be equally effective as HDMP despite a lower cumulative dose. MATERIAL AND METHODS We(More)