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- Teigland, Robin, et al.
(författare)
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Breaking Out of the Bank in Europe - Exploring Collective Emergent Institutional Entrepreneurship Through Bitcoin
- 2013
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Ingår i: SSRN Electronic journal. - : Elsevier BV. - 1556-5068.
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- In recent years, the Bitcoin community has collectively developed an open source platform that allows for the mining of the Bitcoin currency as well as instant global peer-to-peer payments and financial transactions using Bitcoins - without any central authority. With its theoretical roots in the Austrian School of Economics, the community can be seen as a potential threat to the mega financial institutions and governments in Europe and across the globe as the Bitcoin currency and its underlying principles challenge the long-standing fiat money system. Designed and implemented in only 2009, Bitcoin has rapidly grown from being an idea in the head of a “Japanese programmer” to becoming a legitimate currency as Bitcoin-Central was awarded an International Bank ID number and became a Payment Services Provider equal to organizations such as PayPal. However, perhaps due to its rapid growth during the past four years and the fact that the currency is primarily a virtual one, the Bitcoin community has been subject to external threats such as fraud, hacker attacks, and a lawsuit. Despite this, the community has shown significant resilience and has even shown continued exponential growth in recent months. As such, our research purpose is to investigate the process through which the Bitcoin community acts as an institutional entrepreneur. As a first step in fulfilling our research purpose, we conduct an exploratory analysis in this research-in-progress paper of the formal and informal “organizations” of Bitcoin as well as of the topical network structure of the Bitcoin community using secondary sources and the complete archive of 1.15 million English posts written by 21,903 members between 2009 and 2013. Some preliminary results and findings as well as future steps are discussed.
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- Engström, Gunnar, et al.
(författare)
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Pulmonary function and atherosclerosis in the general population : causal associations and clinical implications
- 2024
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Ingår i: European Journal of Epidemiology. - : Springer Nature. - 0393-2990 .- 1573-7284. ; 39:1, s. 35-49
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Tidskriftsartikel (refereegranskat)abstract
- Reduced lung function is associated with cardiovascular mortality, but the relationships with atherosclerosis are unclear. The population-based Swedish CArdioPulmonary BioImage study measured lung function, emphysema, coronary CT angiography, coronary calcium, carotid plaques and ankle-brachial index in 29,593 men and women aged 50–64 years. The results were confirmed using 2-sample Mendelian randomization. Lower lung function and emphysema were associated with more atherosclerosis, but these relationships were attenuated after adjustment for cardiovascular risk factors. Lung function was not associated with coronary atherosclerosis in 14,524 never-smokers. No potentially causal effect of lung function on atherosclerosis, or vice versa, was found in the 2-sample Mendelian randomization analysis. Here we show that reduced lung function and atherosclerosis are correlated in the population, but probably not causally related. Assessing lung function in addition to conventional cardiovascular risk factors to gauge risk of subclinical atherosclerosis is probably not meaningful, but low lung function found by chance should alert for atherosclerosis.
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