Results 131 to 140 of about 18,915,989 (297)

Time-Varying Beta of Scandinavian Industries: The Crisis Experience

open access: yes, 2010
Given the influence of the crisis on worldwide financial markets, the aim of this work is to empirically study the effects of the current financial crisis on the time-varying beta of industries in the Scandinavian region.
Prysyazhnyuk, Yuliya   +1 more
core  

Probabilistic Load Flow Calculation for Distribution Networks Based on Advanced Source-Load Modeling and Time-Varying D-Vine Copula

open access: yesEnergies
With the large-scale integration of distributed photovoltaic generation (PV) into modern distribution networks, the inherent stochasticity and volatility of renewable energy outputs have imposed non-negligible impacts on the secure and economic operation
Jingyi Ni   +4 more
doaj   +1 more source

Targeting the EpCAM‐AXL axis to overcome drug resistance in lung cancer

open access: yesMolecular Oncology, EarlyView.
Lung cancer cells often evade therapy by hijacking signaling pathways. We reveal that cleaved EpCAM (sEpCAM) stabilizes the oncogenic protein AXL, driving NF‐κB and STAT3‐mediated chemoresistance. This EpCAM‐AXL axis identifies a high‐risk patient subset with poor prognosis.
Alexa Guerrero‐Alba   +5 more
wiley   +1 more source

The Time-Variation of Risk and Return in the Foreign Exchange and Stock Markets [PDF]

open access: yes
Recent empirical work indicates that, in a variety of financial markets, both conditional expectations and conditional variances of returns are time- varying. The purpose of this paper is to determine whether these joint fluctuations of conditional first
Philippe Jorion, Alberto Giovannini
core  

Optimization and clinical validation of a Real-Time PCR protocol for direct detection of Trichomonas vaginalis in pooled urine samples

open access: yesIranian Journal of Microbiology, 2009
Background and Objectives: A new Real- Time PCR protocol for the detection of Trichomonas vaginalis in pooled urine samples has been optimized and validated.
WB van Leeuwen, WHA Zandijk
doaj  

Reprogramming tumor cells with LCOR mRNA nanotherapy to enhance immunotherapy

open access: yesMolecular Oncology, EarlyView.
LCOR (Ligand‐dependent corepressor) mRNA encapsulated in polymeric nanoparticles restores LCOR activity in tumor cells, constraining aggressive tumor cell states and increasing tumor immunogenicity. This reprogramming makes tumor cells more vulnerable to T‐cell attack and enhances their response to immune‐checkpoint immunotherapy.
Gabriel Serra‐Mir   +9 more
wiley   +1 more source

Optical solutions to the time fractional Akbota equation arising in nonlinear optics via two distinct methods

open access: yesScientific Reports
This paper investigates the optical soliton solutions of the time-fractional Akbota equation, a model arising in nonlinear optics. The generalized rational function method and the F-expansion approach are utilized to derive soliton solutions ...
Salim S. Mahmood   +3 more
doaj   +1 more source

Spatial heterogeneity of hotspot mutations and clonal relatedness in ovarian endometrioid carcinoma

open access: yesMolecular Oncology, EarlyView.
Spatially resolved analysis revealed heterogeneous distributions of selected cancer‐associated mutations within ovarian endometrioid carcinomas. Shared mutations between paired endometrial and ovarian tumors supported clonal relatedness. These findings highlight the value of sampling multiple tumor regions when interpreting molecular profiles ...
Takahito Ashihara   +10 more
wiley   +1 more source

Liquidity risk and liquidity timing in the cross-section of Indian equity mutual fund returns

open access: yesEconomics and Business Review
This study examines how aggregate market liquidity influences the cross-section of Indian equity mutual fund returns through two mechanisms: (1) funds’ long-run exposure to liquidity risk, and (2) managers’ time-varying liquidity timing.
Kumar Suresh, Ali Hyder
doaj   +1 more source

The long memory of time-varying beta: examination of three emerging Asian stock markets

open access: yes, 2001
Reviews previous research on the nature of beta and investigates the stochastic structure of time-varying beta in Hong Kong, Malaysia and Singapore using the bi-variate GARCH-in-mean model and fractional tests.
Choudhry, Taufiq
core   +1 more source

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