S
Silvio Hamacher
Researcher at Pontifical Catholic University of Rio de Janeiro
Publications - 91
Citations - 2155
Silvio Hamacher is an academic researcher from Pontifical Catholic University of Rio de Janeiro. The author has contributed to research in topics: Supply chain & Medicine. The author has an hindex of 18, co-authored 76 publications receiving 1371 citations. Previous affiliations of Silvio Hamacher include The Catholic University of America & Petrobras.
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Journal ArticleDOI
Characterisation of the first 250,000 hospital admissions for COVID-19 in Brazil: a retrospective analysis of nationwide data.
Otavio T. Ranzani,Leonardo S. L. Bastos,Joao Gabriel M. Gelli,Janaina Figueira Marchesi,Fernanda Araujo Baião,Silvio Hamacher,Fernando A. Bozza +6 more
TL;DR: In this paper, the authors performed a retrospective analysis of all patients aged 20 years or older with quantitative RT-PCR (RT-qPCR)-confirmed COVID-19 who were admitted to hospital and registered in SIVEP-Gripe, a nationwide surveillance database in Brazil, between Feb 16 and Aug 15, 2020 (epidemiological weeks 8-33).
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No-shows in appointment scheduling - a systematic literature review.
TL;DR: A SLR of no-shows in appointment scheduling is provided in which the characteristics of existing studies are analyzed, results regarding which factors have a higher impact on missed appointment rates are synthetized, and comparisons with previous findings are performed.
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Economic assessment of biodiesel production from waste frying oils.
TL;DR: The proposed method embraces a logistics perspective, as the cost of collection of oil from commercial producers and its delivery to biodiesel depots or plants can be relevant and is an issue that has been little explored in the academic literature.
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Risk Management in the Oil Supply Chain: A CVaR Approach
TL;DR: In this paper, a two-stage stochastic model with fixed recourse and incorporation of risk management was developed to optimize the strategic planning of an oil supply chain to maximize the expected net present value (NPV) of the supply chain under analysis.
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Managing product variety in emerging markets
TL;DR: In this article, the authors investigate how firms manage their product variety in emerging markets, and define general mechanisms by which firms can adapt their product variability when operating in both emerging and developed markets simultaneously.