Usually, the stability of individual commodity market price fluctuation is studied based on supply-demand equilibrium, called as "Cobweb Model".
通常，关于单商品市场价格波动的稳定性问题，是在供需均衡的条件下进行研究的，称为“蛛网模型”。
The cyclical fluctuation of macroeconomic is affected by salary rate, market price of company commodity, market demand of company commodity, etc.
宏观经济的周期性波动则受工资率、企业商品的市场价格与市场需求，资本、技术等生产要素的成本等因素的影响。
By means of introducing ripe geometrical Brown movement model for common commodity price forecasting a coal price fluctuation model of coal market is established.
通过引入用于预测普通商品价格的较成熟的几何布朗运动模型建立了燃煤市场的煤价波动模型。
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