Results 41 to 50 of about 360,842 (385)

Regime specific spillover across cryptocurrencies and the role of COVID-19

Financial Innovation, 2021
The aim of this study is to examine the daily return spillover among 18 cryptocurrencies under low and high volatility regimes, while considering three pricing factors and the effect of the COVID-19 outbreak. To do so, we apply a Markov regime-switching (
S. Shahzad, Elie Bouri, S. Kang, T. Saeed   +3 more
semanticscholar   +1 more source

Understanding the relative risks of zoonosis emergence under contrasting approaches to meeting livestock product demand

Royal Society Open Science, 2022
It has been argued that intensive livestock farming increases the risk of pandemics of zoonotic origin because of long-distance livestock movements, high livestock densities, poor animal health and welfare, low disease resistance and low genetic ...
Harriet Bartlett, Mark A. Holmes, Silviu O. Petrovan, David R. Williams, James L. N. Wood, Andrew Balmford   +5 more
doaj   +1 more source

Valuing volatility spillovers [PDF]

Global Finance Journal, 2006
Abstract We show that volatility spillovers are large enough to matter to investors. We demonstrate that standard deviations of returns to mean-variance portfolios of European equities fall by 1–1.5% at daily, weekly, and monthly rebalancing horizons when volatility spillovers are included in covariance forecasts.
George Milunovich, Susan Thorp
openaire   +2 more sources

Human Infection with Avian Influenza A(H9N2) Virus, Cambodia, February 2021

Emerging Infectious Diseases, 2021
In February 2021, routine sentinel surveillance for influenza-like illness in Cambodia detected a human avian influenza A(H9N2) virus infection. Investigations identified no recent H9N2 virus infections in 43 close contacts.
Samnang Um, Jurre Y. Siegers, Borann Sar, Savuth Chin, Sarika Patel, Seng Bunnary, Makara Hak, Sothy Sor, Oum Sokhen, Seng Heng, Darapheak Chau, Tum Sothyra, Asheena Khalakdina, Joshua A. Mott, Sonja J. Olsen, Filip Claes, Ly Sovann, Erik A. Karlsson   +17 more
doaj   +1 more source

Modeling the Global Dynamic Contagion of COVID-19

Frontiers in Public Health, 2022
The COVID-19 infections have profoundly and negatively impacted the whole world. Hence, we have modeled the dynamic spread of global COVID-19 infections with the connectedness approach based on the TVP-VAR model, using the data of confirmed COVID-19 ...
Lijin Xiang, Shiqun Ma, Lu Yu, Wenhao Wang, Zhichao Yin   +4 more
doaj   +1 more source

How Does Human Capital Spillover Inflow of Foreign Workers Affect Economic Growth?

Frontiers in Sociology, 2021
The ASEAN Economic Community provides opportunities for foreign workers to enter Indonesia, including Central Java Province. The existence of these foreign workers tends to negatively and positively impact the regional economic growth of the country ...
Etty Puji Lestari, Caroline Caroline
doaj   +1 more source

Ecological countermeasures to prevent pathogen spillover and subsequent pandemics

Nature Communications
Substantial global attention is focused on how to reduce the risk of future pandemics. Reducing this risk requires investment in prevention, preparedness, and response.
R. Plowright, Aliyu N Ahmed, Tim Coulson, T. Crowther, I. Ejotre, Christina L. Faust, Winifred F. Frick, Peter J. Hudson, Tigga Kingston, P. O. Nameer, M. T. O’Mara, Alison J Peel, Hugh P. Possingham, O. Razgour, D. Reeder, Manuel Ruiz‐Aravena, Nancy B. Simmons, P. Srinivas, Gary M Tabor, Iroro Tanshi, Ian G Thompson, A. Vanak, Neil M. Vora, C. Willison, A. Keeley   +24 more
semanticscholar   +1 more source

Pathways to zoonotic spillover

Nature Reviews Microbiology, 2017
Zoonotic spillover, which is the transmission of a pathogen from a vertebrate animal to a human, presents a global public health burden but is a poorly understood phenomenon. Zoonotic spillover requires several factors to align, including the ecological,
R. Plowright, C. Parrish, Hamish McCallum, P. Hudson, A. Ko, A. Graham, J. Lloyd-Smith   +6 more
semanticscholar   +1 more source

Volatility transmission and spillover dynamics across financial markets: the role of geopolitical risk

Annals of Operations Research, 2021
This paper examines the effect of geopolitical risk (GPR) on return and volatility dynamics in Middle East and North African (MENA) countries by using an ADCC-GARCH model and a spillover approach.
Ahmed H. Elsayed, M. Helmi
semanticscholar   +1 more source

Modeling the Momentum Spillover Effect for Stock Prediction via Attribute-Driven Graph Attention Networks

AAAI Conference on Artificial Intelligence, 2021
In finance, the momentum spillovers of listed firms is well acknowledged. Only few studies predicted the trend of one firm in terms of its relevant firms.
Rui Cheng, Qing Li
semanticscholar   +1 more source