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Sharon G. Levin
University of Missouri–St. Louis
40Publications
15H-index
1,647Citations
Publications 40
Newest
#1Anne E. Winkler (UMSL: University of Missouri–St. Louis)H-Index: 17
#2Sharon G. Levin (UMSL: University of Missouri–St. Louis)H-Index: 15
Last.Michael T Allison (UMSL: University of Missouri–St. Louis)
view all 3 authors...
#1Paula E. StephanH-Index: 36
#2Sharon G. LevinH-Index: 15
inequality by a statistically significant amount. The conclusions persist when the analysis is restricted to only those scientists who publish, and suggest that prolific scientists have not gained their status by 'sharing' authorship, as is popularly imagined; neither have they traded quality for quantity by publishing in journals of lower impact. The data also allow for an examination of inequality by sector of employment. The analysis points to substantial differences in inequality between emp...
#1Anne E. WinklerH-Index: 17
#2GlänzelWolfgangH-Index: 58
Last.Paula E. StephanH-Index: 36
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This study examines the relationship between exposure to the Internet and changes in collaboration patterns across institutional and national borders. The number of years that have elapsed since an institution’s adoption of a domain name (dns) is used as a proxy for Internet exposure. This proxy is then matched with institutional data on all published papers indexed by isi for over 1,200 us four-year colleges, universities and medical schools for the years 1991–2007. The publication data examine...
#1Anne E. Winkler (UMSL: University of Missouri–St. Louis)H-Index: 17
#2Sharon G. Levin (UMSL: University of Missouri–St. Louis)H-Index: 15
Last.GlänzelWolfgangH-Index: 58
view all 4 authors...
There is good reason to think that non-elite programs in economics may be producing relatively more research than in the past: research expectations have been ramped-up and new information technologies have changed how academic knowledge is produced and exchanged. This study investigates this question by examining publishing productivity in economics (and business) using data from the Web of Science (Knowledge) for a broad set of institutions — both elite and non-elite — from 1991 through 2007. ...
#1Shirley L. Porterfield (UMSL: University of Missouri–St. Louis)H-Index: 16
#2Sharon G. Levin (UMSL: University of Missouri–St. Louis)H-Index: 15
Last.Susan Feigenbaum (UMSL: University of Missouri–St. Louis)H-Index: 8
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Objective This study examines whether information gained from face-to-face contact with health professionals has an influence on switching between branded and generic statins, a class of drugs primarily used by older adults. Methods Data from five panels of the Medical Expenditure Panel Study covering 2006–2011 are used to estimate multivariate logistic regression models examining whether statin switching is influenced by the patient-centred medical home and type of pharmaceutical drug vendor. K...
#1Grant C. Black (MU: University of Missouri)H-Index: 1
#2Sharon G. Levin (MU: University of Missouri)H-Index: 15
There has been a strong and growing interest in uncovering the relationships between scientific and technological innovations, entrepreneurship, and economic growth. Much previous empirical research on entrepreneurship has focused on the outcomes of the process, such as patenting and company formation. Far less is known about the scientists and engineers who translate their creative ideas into innovations and entrepreneurial activities. This study examines the innovative and entrepreneurial acti...
#1Sharon G. Levin (UMSL: University of Missouri–St. Louis)H-Index: 15
#2Paula E. Stephan (NBER: National Bureau of Economic Research)H-Index: 36
Last.Anne E. Winkler (UMSL: University of Missouri–St. Louis)H-Index: 17
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This study investigates the diffusion of two early Information technologies across 1348 institutions of higher education: (1) the adoption of Because It's Time Network (BITNET), a precursor to the Internet as we know it today and (2) the adoption of the Domain Name System (DNS) with its registration of domain names, an essential feature of the modern Internet. We find that the time paths of adoption for both generally exhibit the typical S shape found for other innovations. We identify factors l...
#1Anne E. Winkler (MU: University of Missouri)H-Index: 17
#2GlänzelWolfgang (Katholieke Universiteit Leuven)H-Index: 58
Last.Paula E. Stephan (NBER: National Bureau of Economic Research)H-Index: 36
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This study examines the relationship between the diffusion of IT and changes in collaboration patterns across institutional and national borders. To undertake the research, the authors match an explicit measure of institutional IT adoption (domain names, e.g. www.umsl.edu) with institutional data on all published papers indexed by ISI for over 1,200 U.S. four-year colleges, universities and medical schools for the years 1991-2007. The publication data examined cover the social sciences and natur...
#1Waverly W. Ding (University of California, Berkeley)H-Index: 13
#2Sharon G. Levin (UMSL: University of Missouri–St. Louis)H-Index: 15
Last.Anne E. Winkler (UMSL: University of Missouri–St. Louis)H-Index: 17
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This study investigates the impact of information technology (IT) on productivity and collaboration patterns in academe. Our data combine information on the diffusion of two noteworthy innovations in IT---BITNET and the Domain Name System (DNS)---with career-history data on research-active life scientists. We analyzed a random sample of 3,114 research-active life scientists from 314 U.S. institutions over a 25-year period and find that the availability of BITNET on a scientist's campus has a pos...
#1Anne E. Winkler (UMSL: University of Missouri–St. Louis)H-Index: 17
#2Sharon G. Levin (UMSL: University of Missouri–St. Louis)H-Index: 15
Last.Paula E. Stephan (NBER: National Bureau of Economic Research)H-Index: 36
view all 3 authors...
This study investigates how the diffusion of Internet access and other advancements in IT across a broad group of institutions of higher education has affected the publishing productivity of life scientists. Several IT indicators are considered: (1) the adoption of BITNET; (2) the registration of domain names (DNS); (3) the availability of the electronic journal database, JSTOR (http://www.jstor.org/), and (4) the availability of electronic library resources. Data on life scientists are from the...
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