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We analyze the effects of oil and grain inventory data releases on oil, ethanol, corn and soy futures prices. Oil and grain inventory shocks are identified as the percent difference between actual inventory levels and median predictions from a survey of forecasters. Ethanol futures prices alone are found to respond to both oil and grain inventory shocks. Other energy futures prices respond only to...
To make grain price stable is an important goal for the Chinese government. The paper compared the grain supply elasticity and demand elasticity to determine the grain price stability in China; used “k value” method to analyze the grain price fluctuation from 1985 to 2010; divided the grain price volatility into three stages; and analyzed the factors in each phase. On the base, it put forward some...
Based on the theory of ecology and economics, resources depletion and environmental degradation due to grain production were comprehensively accounted and the full cost of grain production was analyzed. The cost of grain production in Quzhou County, Hebei Province, an alluvial area in the Huanghuaihai Plain, was investigated using the methods of market price, replacement price, shadow engineering,...
The research work in this paper follow four steps: define warning situation, seek warning sources, analyze warning omens, foretell warning degree. First, we define the grain price fluctuation rate as situation indictor and its warning line in a systematic way. Second, we analyze the factors that influence grain price and divide them into eight categories. Third, basing on above result, we select 23...
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