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The Lanjiagou porphyry molybdenum deposit in western Liaoning Province, China, is hosted in fine-grained Jurassic granites. LA-ICP-MS zircon U-Pb analyses indicate that the crystallization of the ore-hosting granites took place 185.0+/-1.8Ma (MSWD=1.4). Molybdenum mineralization in the deposit can be divided into three stages: the stockwork quartz vein stage, the planar quartz vein stage, and the...
This article analyses the crude oil and gasoline price adjustments due to extreme price rise and price fall in the economic environment without market power. Using daily data for the period May 2000 to May 2005, this article adopts GARCH model with generalized error distribution to estimate the time-varying Value at Risk in both upside and downside directions at confidence level of 90% and 95%, and...
Understanding of market efficiency is the cornerstone of market analysis. Oil market efficiency test can not only provide the theoretical foundation for oil price forecast but offer evidence of comparing the information efficiency of different markets. The generalized spectrum method is applied on the daily data from January 2001 to July 2008 to test the weak form efficiency of main crude oil markets...
Nowadays, it is universally accepted that the issue of energy shortage is increasingly serious. As a consequence, this modern-day crisis has greatly restricts the development of Chinese economy. This essay built an analytical model of tax policy of Chinese sustainable energy for the Chinese transportation. This model based on system dynamics, considered influences of many factors including energy...
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