Results 111 to 120 of about 1,708,435 (265)

Impact of political uncertainty on stock market returns: the case of post-revolution Tunisia

Cogent Social Sciences
This study examines whether and how political uncertainty affects the returns of the TUNINDEX index. The impact of the main political events is supported by parametric and non-parametric tests with an event-driven approach as well as regression analysis.
Wafa Souffargi, Adel Boubaker
doaj   +1 more source

A business model predicting the impact of live-stream marketing on firms' stock price - An event study. [PDF]

Heliyon, 2022
Luo S, Shyu ML, Silalahi ADK, Shih IT.
europepmc   +1 more source

The pyruvate generator is a common phenomenon in mitochondria from different rat and mouse brain regions

FEBS Letters, EarlyView.
The pyruvate generator, which causes activation of respiration by extra‐mitochondrial Ca2+, is also present and functional in rat brainstem mitochondria, as it is in other brain regions. This finding is confirmed by experiments with a fully reconstituted malate–aspartate shuttle (MAS).
Grazyna Debska‐Vielhaber, Niki Karavasili, Matthias Kunz, Zemfira Gizatullina, Timur Gainutdinov, Stefan Vielhaber, Wolfram S. Kunz, Frank N. Gellerich   +7 more
wiley   +1 more source

Product recalls: The effects of industry, recall strategy and hazard, on shareholder wealth

International Journal of Business Science and Applied Management, 2018
The purpose of this paper is to provide insights into the effects of product recalls on shareholder wealth of manufacturing firms in different supply chains.
Bernon, M., Bastl, M., Zhang, W., Johnson, M.   +3 more
doaj  

Currency market reactions to U.S. tariff shocks: cross-country evidence from the 2025 trade announcement

Cogent Economics & Finance
This research examines the impact of the U.S. tariff announcement on 2 April 2025 on the currency exchange rates for some of its major trading partners.
Pankaj Sharma, Manoj Kumar Panda, Jyoti Raju, Vishwanath Revankar, Sumit Kumar   +4 more
doaj   +1 more source

Analysis of an event study using the Fama-French five-factor model: teaching approaches including spreadsheets and the R programming language. [PDF]

Financ Innov, 2023
Martinez-Blasco M, Serrano V, Prior F, Cuadros J.   +3 more
europepmc   +1 more source

The ubiquitin‐proteasome system and autophagy as guardians of the cellular proteome

FEBS Letters, EarlyView.
This Perspective covers the three principles governing the crosstalk between the ubiquitin‐proteasome system and autophagy in cellular proteostasis: (1) a shared ubiquitin code routing substrates via shuttle factors or autophagy receptors; (2) spatial compartmentalization into phase‐separated degradation hubs and organelle‐specific modules (exemplified
Ivan Dikic
wiley   +1 more source

Evaluating the Impact of COVID-19 on Hospital Profit Compensation Activities: A Difference-in-Differences Event Study Analysis in China. [PDF]

Healthcare (Basel), 2023
Shen C, Cao D, Deng Q, Lai S, Liu G, Yang L, Zhu Z, Zhou Z.   +7 more
europepmc   +1 more source

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

FEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source