The impact of oil and gold price fluctuations on the South African equity market: Volatility spillovers and financial policy implications [0.03%]
油价和金价波动对南非股票市场的影响：波动溢出与金融政策含义
Kgotso Morema,Lumengo Bonga-Bonga
Kgotso Morema
This paper assesses the impact of gold and oil price fluctuations on the volatility of the South African stock market and its component indices or sectors - namely, the financial, industrial and resource sectors - to infer the link between ...
Testing for multiple bubbles in the copper price: Periodically collapsing behavior [0.03%]
基于铜价的多重泡沫检验：周期性破裂行为
Chi-Wei Su,Xiao-Qing Wang,Haotian Zhu et al.
Chi-Wei Su et al.
This study investigates whether multiple bubbles exist in the copper price on the basis of the Generalized Supremum Augmented Dickey-Fuller (GSADF) approach (Phillips et al., 2013). This technique delivers date-stamping strategies for the e...
Is gold favourable than bitcoin during the COVID-19 outbreak? Comparative analysis through wavelet approach [0.03%]
新冠疫情下黄金比比特币更具有价值吗？基于小波方法的比较分析
Khurram Shehzad,Faik Bilgili,Umer Zaman et al.
Khurram Shehzad et al.
The novel coronavirus (COVID-19) has tremendously oscillated the global financial markets. Consequently, investors feel pressured to find safe-haven investments during the pandemic crisis. Numerous studies have evaluated bitcoin's safe-have...
"If you don't find anything, you can't eat" - Mining livelihoods and income, gender roles, and food choices in northern Guinea [0.03%]
“如果没有矿就不吃饭”——几内亚北部的采矿生计、收入、性别角色和食物选择
Ronald Stokes-Walters,Mohammed Lamine Fofana,Joseph Lamilé Songbono et al.
Ronald Stokes-Walters et al.
Artisanal and small-scale mining (ASM) continues to grow as a viable economic activity in sub-Saharan Africa. The health and environmental impacts of the industry, notably linked to the use of potentially toxic chemicals, has been well docu...