Zobrazeno 1 - 10
of 2 699
pro vyhledávání: '"wavelet coherence"'
Publikováno v:
Journal of Humanities and Applied Social Sciences, Vol 6, Iss 5, Pp 450-470 (2024)
Purpose – This study seeks to examine the relationship between macroeconomic shock indicators, namely geopolitical risk (GPR), global economic policy uncertainty (GEPU) and financial stress (FS), and returns as well as volatilities on seven careful
Externí odkaz:
https://doaj.org/article/b66c69fca395489d9960c7905fd10e13
Autor:
Rasaq Raimi, Andrew Phiri
Publikováno v:
South African Journal of Economic and Management Sciences, Vol 27, Iss 1, Pp e1-e15 (2024)
Background: In pursuit of greater equality, African nations have implemented land reforms to increase land ownership among indigenous citizens. Despite these efforts, Africa remains one of the world’s most unequal regions. Aim: In line with the su
Externí odkaz:
https://doaj.org/article/a0e4b506a0834079a9671aeded476ff6
Publikováno v:
Transport Economics and Management, Vol 2, Iss , Pp 302-309 (2024)
This study evaluates the performance of interlinks between energy uncertainty index and airlines stock returns and volatility by applying the wavelet coherence analytical methodology. For stock returns, American Airlines exhibits notable lead-lag eff
Externí odkaz:
https://doaj.org/article/743355d78d4844869f1fcdd9398c6e1c
Publikováno v:
Financial Innovation, Vol 10, Iss 1, Pp 1-28 (2024)
Abstract We used daily return series for three pairs of datasets from the crude oil markets (WTI and Brent), stock indices (the Dow Jones Industrial Average and S&P 500), and benchmark cryptocurrencies (Bitcoin and Ethereum) to examine the connection
Externí odkaz:
https://doaj.org/article/4de0af95b58e4cdf957e8da0f08317b7
Autor:
Akash Singh Raghuvanshi, Ankit Agarwal
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract Regional weather and climate are generally impacted by global climatic phenomenon′s. Understanding the impact of global climate phenomenon′s on an atmospheric branch of the hydrological cycle is crucial to make advances in skillful preci
Externí odkaz:
https://doaj.org/article/141e5530eba84f28ba2589c0167030d5
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 11, Pp 103041- (2024)
This study aimed to assess the coherence between groundwater levels and various factors during two distinct periods, 2002–2020 and 2025–2050, in Miandoab aquifer in northwestern of the Iran. Partial wavelet coherence and multi-wavelet coherence a
Externí odkaz:
https://doaj.org/article/0d5f3fc3aee243c69e9c4edc3d47f74c
Publikováno v:
Frontiers in Public Health, Vol 12 (2024)
PurposeThis study investigates the influence of economic conditions, healthcare system capacity, and health-related variables on the proportion of the older adult population (Population ages 65 and above) in European Union countries. It aims to ident
Externí odkaz:
https://doaj.org/article/721a01bb919048ef8147613500045226
Publikováno v:
Global Ecology and Conservation, Vol 54, Iss , Pp e03087- (2024)
The Yinshanbeilu region is arid, with little precipitation; its ecological environment is very fragile. This region is an important ecological security barrier in the north of China. To explore the cumulative and delayed effects of drought on vegetat
Externí odkaz:
https://doaj.org/article/aa3384b8613f49079e0318dc13c7a69d
Autor:
Dimitriou, Dimitrios, Goulas, Eleftherios, Kallandranis, Christos, Tsioutsios, Alexandros, Ta, Thi Ngoc Bich Thi Ngoc
Publikováno v:
Journal of Asia Business Studies, 2024, Vol. 18, Issue 3, pp. 850-862.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/JABS-11-2023-0475
Publikováno v:
Geodesy and Geodynamics, Vol 15, Iss 3, Pp 302-313 (2024)
The pressure and temperature significantly influence precipitable water vapor (PWV) retrieval. Global Navigation Satellite System (GNSS) PWV retrieval is limited because the GNSS stations lack meteorological sensors. First, this article evaluated the
Externí odkaz:
https://doaj.org/article/dfd0984c710e4b078e5852758357aa73