Results 41 to 50 of about 150,423 (266)

Bone and Soft Tissue Neoplasms in Infants Versus Older Children: A Report From the Cancer in Young People in Canada Program

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background and Aims Infant bone and soft tissue neoplasms present distinct clinical challenges and lack large‐scale data to inform treatment decisions. This study aims to characterize bone and soft tissue neoplasms in infants in Canada and to compare their outcomes with those of older pediatric patients.
Samuel Sassine   +21 more
wiley   +1 more source

Smile Dynamics -- A Theory of the Implied Leverage Effect [PDF]

open access: yesSSRN Electronic Journal, 2009
AbstractWe study in details the skew of stock option smiles, which is induced by the so‐called leverage effect on the underlying B i.e. the correlation between past returns and future square returns. This naturally explains the anomalous dependence of the skew as a function of maturity of the option.
Stefano Ciliberti   +2 more
openaire   +2 more sources

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

THE EFFECTS OF UNCERTAINTY ON THE LEVERAGE OF NONFINANCIAL FIRMS [PDF]

open access: yesEconomic Inquiry, 2009
This paper investigates the link between the optimal level of nonfinancial firms’ short‐term leverage and macroeconomic and idiosyncratic sources of uncertainty. We develop a structural model of a firm’s value maximization problem that predicts a negative relationship between uncertainty and optimal levels of borrowing.
Baum, Christopher F.   +2 more
openaire   +3 more sources

Shape-constrained semiparametric additive stochastic volatility models

open access: yesStatistical Theory and Related Fields, 2019
Nonparametric stochastic volatility models, although providing great flexibility for modelling the volatility equation, often fail to account for useful shape information.
Jiangyong Yin   +3 more
doaj   +1 more source

Independent Commissioners, Company Size, and Financial Distress on Accounting Conservatism with Leverage as a Mediating Variable (Empirical Study on Financial Companies in the Insurance and Financing Sub-Sector Listed on the IDX 2019-2021)

open access: yesJurnal Akuntansi, 2023
This research is a descriptive quantitative research which is based on the condition of applying the principles of accounting conservatism in financial reports in Indonesia which still reaps pros and cons.
Siti Ratih Nurwanti   +2 more
doaj   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

MODELLING CONDITIONAL VOLATILITY AND ASYMMETRY IN GOLD FUTURES RETURNS [PDF]

open access: yesAnalele Universităţii Constantin Brâncuşi din Târgu Jiu : Seria Economie
This study investigates the time-varying volatility dynamics of Gold Futures (GCZ5) daily returns over a ten-year period (October 28, 2015, to October 28, 2025).
SHAHIL RAZA   +7 more
doaj  

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

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