The use of renewable energy increased greatly just after the first big oil crisis in the late seventies. At that time, economic issues were the most important factors, hence interest in such processes decreased when oil prices fell. The current resurgence of interest in the use of renewable energy is driven by the need to reduce the high environmental impact of fossil-based energy systems. Harv...

Many developed nations depend on oil for the production of gasoline, diesel, and natural gas. Meanwhile, oil shortages progress and bottlenecks in oil productions continue to materialize. These and other factors result in an energy crisis, which cause detrimental social and economic effects. Because of the impending energy crisis, various potential energy sources have developed including solar,...

The questions of identity, oil exploration and development of social infrastructure resulted in serious security challenges in the Niger Delta region of Nigeria. Security problems worsened with the proliferation of ethnic militia groups known in the media as ‘militants,’ ‘hoodlums,’ ‘terrorists,’ ‘thieves,’ etc. In the last five years, armed resistance further degenerated into serious violence,...

Many studies conclude that the rise in global food prices due to higher demand from the development of biofuels, climate anomalies, and increased of oil prices. Not only the food commodity index rose more than 60 percent, nonfood commodity price index also rose over 60 percent and crude oil price index has increased even further above 60 percent. The purpose of this study is to analyze the impa...

This paper investigates the relation between aggregate investment and oil volatility and its permanent and transitory components for a developing country, Malaysia. In the paper, the components generalized autoregressive conditional heteroskedasticity (CGARCH) model is utilized to decompose conditional oil volatility into permanent oil volatility and transitory oil volatility. Respectively refl...

a r t i c l e i n f o JEL classification: C1 C6 G1 Keywords: Energy stocks C-vines D-vines Dependence structure Risk measures Portfolio optimization This article models the dependence risk and resource allocation characteristics of two 20-stock coal–uranium and oil–gas sector portfolios from the Australian market in the context of the global financial crisis of 2008–2009. The modeling framework...

Anthropogenic land-cover change is driving biodiversity loss worldwide. At the epicenter of this crisis lies Southeast Asia, where biodiversity-rich forests are being converted to oil-palm monocultures. As demand for palm oil increases, there is an urgent need to find strategies that maintain biodiversity in plantations. Previous studies found that retaining forest patches within plantations be...

Hedging is no longer an option for multinational corporations, especially during global financial crisis. This was clearly manifested in companies’ comprehensive income statement as in WalMart’s case that “During fiscal 2009, foreign currency exchange rate had a $2.3 billion unfavorable impact on the international segment’s net sales” and the company just lost $680 million in the second quarter...