نتایج جستجو برای: g23

تعداد نتایج: 288  

Journal: :Genome announcements 2016
János Gál Szilvia Marton Katalin Ihász Hajnalka Papp Ferenc Jakab Yashpal S Malik Krisztián Bányai Szilvia L Farkas

We investigated the genomic properties of a rotavirus A strain isolated from diarrheic pheasant poults in Hungary in 2015. Sequence analyses revealed a shared genomic constellation (G23-P[37]-I4-R4-C4-M4-A16-N10-T4-E4-H4) and close relationship (range of nucleotide sequence similarity: VP2, 88%; VP1 and NSP4, 98%) with another pheasant rotavirus strain isolated previously in Germany.

2009
Martin Eling Luisa Tibiletti

We compare capital requirements derived by tail conditional expectation (TCE) with those derived by tail conditional median (TCM) and find that there is no clear-cut relationship between these two measures in empirical data. Our results highlight the relevance of TCM as a robust alternative to TCE, especially for regulatory control. JEL Classification: G10, G11, G23, G29

ژورنال: زراعت دیم ایران 2013
اسماعیل‌ زادحسن رضا محمدی, محمد آرمیون مسعود اسکندری

این تحقیق به منظور تجزیه اثرات متقابل ژنوتیپ در محیط (G×E) برای عملکرد دانه درآزمایشات چند محیطی گندم دوروم در ایستگاه‌های تحقیقات کشاورزی دیم کشور با  استفاده از مدل‌های آماری   GGEبای‌پلات (اثر ژنوتیپ + اثر متقابل G×E) و  رگرسیون توام (ضریب رگرسیون + واریانس انحراف از رگرسیون) انجام شد. بر اساس نتایج تجزیه واریانس، سهم اثرات اصلی محیط، اثر متقابل G×E  و اثر ژنوتیپ به ترتیب 84%، 7/7%  و 3/2%  ...

2014
Simon C. Parker

Crowdfunding, Cascades and Informed Investors Do higher proportions of (a) informed investors and (b) high-quality projects increase the number of good projects that are ultimately financed via crowdfunding? A simple model and simulation reveals the answers to both questions to be: ‘not necessarily’. JEL Classification: L26, C63, G23

2016
Anno Stolper

A fund’s performance is usually compared to the performance of an index or other funds. If a fund trails the benchmark, the fund manager is often replaced. We argue that this may lead to excessive risk-taking if fund managers differ in ability and have the opportunity to take excessive risk. To match the benchmark, fund managers may increase the risk of their portfolio even if this decreases th...

2015
Andrew Hencic Christian Gouriéroux

This paper introduces a noncausal autoregressive process with Cauchy errors in application to the exchange rates of the Bitcoin electronic currency against the US Dollar. The dynamics of the daily Bitcoin/USD exchange rate series displays episodes of local trends, which can be modelled and interpreted as speculative bubbles. The bubbles may result from the speculative component in the on-line t...

Journal: :Management Science 2017
Shai Bernstein Josh Lerner Morten Sorensen Per Strömberg

The growth of the private equity industry has spurred concerns about its impact on the economy. This analysis looks across nations and industries to assess the impact of private equity on industry performance. We find that industries where private equity funds invest grow more quickly in terms of total production and employment, and appear less exposed to aggregate shocks. We perform a number o...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2005
Jonathan Filée Françoise Tétart Curtis A Suttle H M Krisch

Tailed bacteriophages are the most abundant biological entities in marine environments. However, most of these marine phages are uncharacterized because few of their hosts have been cultivated. To learn more about such phages, we designed a set of degenerate PCR primers for phage T4 g23, which encodes the major capsid protein in all of the T4-type phages, an important family of the tailed phage...

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