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蛛网模型主要描述在有效市场假设下,商品价格的波动规律。本文在讨论线性蛛网模型基础上,对供应函数为二次函数情况下的蛛网模型进行了拓展讨论,比较两种蛛网模型时滞效应的不同。
Cobweb model mainly describes the volatility of commodity prices under the assumption of effective market. Based on the discussion of linear cobweb model, this paper discusses the cobweb model with quadratic function of supply function, and compares the difference of lag effect between the two cobweb models.