The paper studies the return-volatility relationship in a range of commodities. We develop a commodity price model and show that the volatility of price changes can be positively or negatively related to demand shocks. An “inverse leverage effect” – the volatility is higher following...

This paper examines whether, and to what extent, the spot LNG markets in different regions (East Asia, Iberia, Northwest Europe, and South America) are integrated and how market integration evolves over time. We first lay out a framework of market integration in the context of global LNG market...

The paper studies the benefit incidence of fuel subsidies in Nigeria household sector. Combining annual subsidy estimates with the households' expenditure data from the 2009/10 Harmonized Living Standard Survey, we investigate how the benefits from fuel subsidies are accrued to each income...

In this paper, we employ an unobserved components model to disentangle the long-term trend from cyclical movements in international benchmark crude oil prices using data from 1861 to 2010. The in-sample estimation of the model identifies a deterministic quadratic trend and two types of cycles,...

This paper provides both a quantitative and qualitative analysis of whether the Chinese oil companies have “overpaid” than international counterparts in overseas asset acquisitions. Using a difference-in-difference and hedonic pricing framework, we find that while the Chinese companies did...