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Louët S 《Nature biotechnology》2005,23(10):1189-1190
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Waltz E 《Nature biotechnology》2008,26(9):962-963
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Mitchell P 《Nature biotechnology》2004,22(9):1057-1058
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P Caraiani 《PloS one》2012,7(7):e40693
We test for the presence of multifractality in the daily returns of the three most important stock market indices from Central and Eastern Europe, Czech PX, Hungarian BUX and Polish WIG using the Empirical Mode Decomposition based Multifractal Detrended Fluctuation Analysis. We found that the global Hurst coefficient varies with the q coefficient and that there is multifractality evidenced through the multifractal spectrum. The exercise is replicated for the sample around the high volatility period corresponding to the last global financial crisis. Although no direct link has been found between the crisis and the multifractal spectrum, the crisis was found to influence the overall shape as quantified through the norm of the multifractal spectrum. 相似文献
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Nolan JM Samad EU Jindra LF Brozak SG 《Biosecurity and bioterrorism : biodefense strategy, practice, and science》2010,8(4):365-372
In the current venture capital climate, it is easier to secure funding for late-stage, next-in-class therapeutic agents than for early-stage opportunities that have the potential to advance basic science and translational medicine. This funding paradigm is particularly problematic for the development of "dual-use" biothreat countermeasures such as antibiotics, vaccines, and antitoxins that target pathogens in novel ways and that have broad public health and biodefense applications. To address this issue, we propose the creation of the Drug Development Incentive Fund (DDIF), a novel funding mechanism that can stimulate the development of first-in-class agents that also possess the capability to guard against potential biothreats. This program would also support greater synergies between public funding and private venture investment. In a single act, this organization would secure science of national importance from disappearing, invest in projects that yield significant public health returns, advance the promises of preclinical and early phase research, revitalize biopharmaceutical investment, and create valuable innovation-economy jobs. 相似文献
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