Contagion 2.0
نویسندگان
چکیده
منابع مشابه
Se p 20 06 Credit contagion and credit risk
We study a simple, solvable model that allows us to investigate effects of credit contagion on the default probability of individual firms, in both portfolios of firms and on an economy wide scale. While the effect of interactions may be small in typical (most probable) scenarios they are magnified, due to feedback, by situations of economic stress, which in turn leads to fatter tails in loss d...
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Achieving the Millennium Development Goals has proven to be a real challenge. Providing evidence on cost-effective interventions did not prove to be sufficient to secure the trust of national authorities, health care providers and patients. Introducing change in a health system requires a good understanding of the relationships between the actors of the system. Social network analysis can provi...
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The instrumental use of social networks has become a central tenet of international health policy and advocacy since the Millennium project. In asking, ‘How to facilitate social contagion?’, Karl Blanchet of the London School of Hygiene and Tropical Medicine therefore reflects not only on the recent success, but also hints to growing challenges; the tactics of partnerships, alliances and platfo...
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Social influence plays an important role in human behavior and decisions. The sources of influence can be generally divided into external, which are independent of social context, or as originating from peers, such as family and friends. An important question is how to disentangle the social contagion by peers from external influences. While a variety of experimental and observational studies p...
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To the Editor: Computer viruses are designed to be pests, proliferating in uncontrolled ways and causing severe damage to electronic data. These malignant programs, which amplify between files and computers, are strikingly similar in virulence, modes of spread, and evolutionary pathways over time to the microbes that cause infectious diseases. Both biological viruses and these virtual viruses a...
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ژورنال
عنوان ژورنال: Microbes and Infection
سال: 2015
ISSN: 1286-4579
DOI: 10.1016/j.micinf.2015.06.005