Results 11 to 20 of about 4,834 (182)

Mean–variance relationship and uncertainty [PDF]

open access: yesSeonmul yeongu, 2022
This study investigates the impact of uncertainty on the mean-variance relationship. We find that the stock market's expected excess return is positively related to the market's conditional variances and implied variance during low uncertainty periods ...
Jun Sik Kim
doaj   +1 more source

Injection but not ingestion of a mixed virus suspension in Queensland fruit fly (Bactrocera tryoni) shifts persistent covert infection to acute pathology. [PDF]

open access: yesPest Manag Sci
Covert and persistent infections with multiple insect‐specific viruses are common in pest fruit flies and may affect pest management strategies. Our study investigated the host effects and viral loads of cripavirus and iflavirus as persistent infections in Queensland fruit fly, and after injection and ingestion of a mixed virus suspension containing ...
Sharpe SR   +4 more
europepmc   +2 more sources

Dynamics of oil price shocks and emerging stock market volatility: a generalized VAR approach [PDF]

open access: yesVilakshan (XIMB Journal of Management), 2021
Purpose – This study aims to establish the dynamic relationship between international crude oil prices and Indian stock prices represented by the Bombay Stock Exchange (BSE) energy index. Design/methodology/approach – Using Johansen’s cointegration test,
Megha Agarwalla   +2 more
doaj   +1 more source

Diagnostic value of serum pepsinogen I, pepsinogen II, and gastrin-17 levels for population-based screening for early-stage gastric cancer

open access: yesJournal of International Medical Research, 2020
Objective Diagnosing gastric cancer (GC) at early stages is important for reducing its mortality. This study evaluated the diagnostic value of serum pepsinogen (PG) I, PGII, and gastrin-17 (G17) levels in screening for early-stage GC.
Yaping Wang   +8 more
doaj   +1 more source

An Empirical Investigation on the Relationship Between the Eurozone Zew Index and the Eurozone Stock Markets

open access: yesStudia Universitatis Vasile Goldis Arad, Seria Stiinte Economice, 2021
The aim of this study is to investigate the long and short term impact of the Euro ZEW index (ZEW) on the DAX (GDAXI) Germany, FTSE 100 (FTSE) the UK, CAC 40 (FCHI) France, OMXS30 Sweden and CROBEX (CRBEX) Croatia stock market indices using monthly data ...
Ceylan Nesrin, Münyas Turgay
doaj   +1 more source

An Analysis of the Effectiveness of Bankruptcy Prediction Models – an Industry Approach

open access: yesFolia Oeconomica Stetinensia, 2021
Research background: Bankruptcy prediction models are frequently used in research. However, an industry approach is not often carried out. Due to this, this study included trends observable between the number of bankruptcies and its prediction by models.
Pilch Bartłomiej
doaj   +1 more source

Asymmetric Information in New Investment: Evidence in Indonesia

open access: yesFoundations of Management, 2023
Intra-industry sectors are producers of asymmetric information, which in turn has an impact on capital structure decisions. The purpose of this study was to determine (1) differences in debt-equity ratio, growth opportunities, firm age, and firm size as ...
Yulianto Arief   +2 more
doaj   +1 more source

Studies on the Transmission of a Tigecycline Resistance-Mediating tet(A) Gene Variant from Enterobacter hormaechei via a Two-Step Recombination Process

open access: yesMicrobiology Spectrum, 2022
To investigate the contribution of a tet(A) variant to tigecycline resistance in Enterobacter hormaechei and the recombination events that occurred during transmission of this variant. MICs were determined by broth microdilution. E.
Runhao Yu   +5 more
doaj   +1 more source

Thirty years of the Journal of Derivatives and Quantitative Studies: a bibliometric analysis [PDF]

open access: yesSeonmul yeongu, 2021
This paper investigates a retrospective on the Journal of Derivatives and Quantitative Studies (JDQS) on its 30th anniversary based on bibliometric. JDQSs yearly publications, citations, impact factors, and centrality indices grew up in early 2010s, and ...
Jun Sik Kim, Sol Kim
doaj   +1 more source

G17-modified hammerhead ribozymes are active in vitro and in vivo [PDF]

open access: yesRNA, 2013
Natural hammerhead ribozymes (HHRz) feature tertiary interactions between hairpin loops or bulges in two of three helices that surround the catalytic core of conserved nucleotides. Their conservation was originally established on minimal versions lacking the tertiary interactions.
Kalweit, Anne, Hammann, Christian
openaire   +2 more sources

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