Results 201 to 210 of about 179,310 (305)

A Longitudinal Network Analysis of Depressive Symptoms Among Older Adults: Findings From an 8-Year Prospective China National Survey. [PDF]

Depress Anxiety
Chen MY, Sun HL, Feng Y, Zhang Q, Su Z, Cheung T, Malgaroli M, Jackson T, Xiang YT.   +8 more
europepmc   +1 more source

The Role of Price‐Volatility Cojumps in Volatility Forecasting

Journal of Futures Markets, EarlyView.
ABSTRACT This paper investigates whether simultaneous jumps in prices and volatility improve volatility forecasting. Using up‐to‐date high‐frequency S&P 500 and VIX data, we identify price‐volatility cojumps at the intraday granularity and construct upside, downside, and asymmetric measures.
Kefu Liao
wiley   +1 more source

Consumer mobility and shopping mall visitation data from smartphone tracking in Johannesburg, South Africa. [PDF]

Data Brief
Cheruiyot K, Karuitha J, Adewunmi Y, Simbanegavi P, Moenyane K, Cohen K.   +5 more
europepmc   +1 more source

On the Comovement of Contango and Backwardation Across Futures Commodity Markets

Journal of Futures Markets, EarlyView.
ABSTRACT We examine the time‐varying nature of the comovement of the slope of the futures curve in major agricultural, metals and energy commodity futures markets in a Global Vector Autoregressive model. We find significant comovement between the slopes, indicating the co‐existence of backwardation and contango in many seemingly unrelated commodity ...
Angelo Luisi, Francesco Roccazzella, Athanasios Triantafyllou   +2 more
wiley   +1 more source

Hidden community interlayer spillover detection in financial multilayer networks: Generalization of hierarchical clustering to multilayer networks. [PDF]

PLoS One
Ardalankia J, Habibnia A, Ausloos M, Jafari GR.   +3 more
europepmc   +1 more source

Quadratic Hedging of American Options Under GARCH Models

Journal of Futures Markets, EarlyView.
ABSTRACT American options are widely traded in financial markets, yet there is a scarcity of literature on hedging in incomplete markets. In this paper, we derive optimal hedging ratios and option values using Local Risk Minimization (LRM) and Global Risk Minimization (GRM) hedging strategies through dynamic programming.
Junmei Ma, Chen Wang, Wei Xu
wiley   +1 more source

Analysis of factors impacting electoral integrity in Africa between 2006-2023 - Examining the association between free and fair election and rule of law. [PDF]

PLoS One
Ikoko MO, Latif D.
europepmc   +1 more source

The Impact of Democratization and Globalization on Environmental Sustainability in Brazil

Geological Journal, EarlyView.
Fossil fuel, economic globalisation, and economic growth drive environmental degradation while democratisation positively influences environmental quality. ABSTRACT Although Brazil still possesses significant ecological reserves, the surplus in its biocapacity has been rapidly declining in recent years.
Mustafa Naimoğlu, Mehmet Metin Dam, Serdar Ongan, Andrew Adewale Alola   +3 more
wiley   +1 more source

Digitalization of circulation and sustainable resilience of food systems: spatial effects and transmission mechanisms. [PDF]

Front Nutr
Wang H, Wang Q, Cao X, Zhang Z, Liu D.
europepmc   +1 more source

Analysing the Drivers of Cropland Footprint in Leading Agricultural Nations: Evidence From MMQR Approach

Geological Journal, EarlyView.
ABSTRACT Climate change represents the biggest current challenge for us and for future generations. Its impact on agriculture is undeniable, considering the food security goal. Thus, the cropland footprint has been distinguished as a comprehensive index for assessing the impact of environmental changes in agricultural areas determined by the increased ...
Ibrahim Cutcu, Magdalena Radulescu
wiley   +1 more source