In view of Bullwhip Effect existing in supply chain of petrochemical enterprises, analyzed its cause in terms of demand predication, batch order and price fluctuation.
针对存在于石化企业供应链中的牛鞭效应现象，从需求预测、批量定货、价格波动等方面入手，分析该效应的成因。
The price fluctuation mechanism of farming land resources. farming land resources are influenced by rental, discount rate, supply and demand condition, and inflation rate.
提出了农用土地资源价格涨落机理，农用土地资源价格受以下因素的影响：地租量、贴现率、供求状况、通货膨胀率。
Then, based on the price elasticity of coal demand and supply, the coal future price trend was expected to rise in fluctuation.
还结合煤炭供需价格弹性研究，预期煤炭未来的价格走势将会是在波动中逐渐上涨。
Then, based on the price elasticity of coal demand and supply, the coal future price trend was expected to rise in fluctuation.
还结合煤炭供需价格弹性研究，预期煤炭未来的价格走势将会是在波动中逐渐上涨。
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