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Asymmetric responses of highway travel demand to changes in fuel price: An explanation via fuel price uncertainty

机译:公路旅行需求对燃油价格变化的不对称响应:燃油价格不确定性的解释

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摘要

Previous research has examined asymmetric effects of fuel price uncertainty on energy demand. If we consider that energy demand is related to travel demand, the changes in fuel prices may have asymmetric effects on highway travel demand via fuel price uncertainty. In other words, when in general fuel price is steadily rising, the highway traffic volume decreases by a small percentage. On the other hand, the highway traffic volume increases by a large percentage when fuel prices are falling. We hypothesize that the uncertainty in fuel prices generates this kind of asymmetric effect on highway traffic volume in Korea. We use the Korean monthly fuel price and highway traffic volume.data from 2001 to 2009, and define the intra-month (weekly) fuel price changes as monthly fuel price volatility which is a proxy for monthly fuel price uncertainty. We found that the direction of the change in fuel prices had asymmetric effects on highway travel demand and that the fuel price uncertainty led drivers to respond asymmetrically to the changes in fuel prices.
机译:先前的研究已经检验了燃料价格不确定性对能源需求的不对称影响。如果我们认为能源需求与出行需求有关,那么燃油价格的变化可能会由于燃油价格不确定性而对公路出行需求产生不对称影响。换句话说,当总体上燃油价格稳步上涨时,高速公路的交通量会小幅下降。另一方面,当燃油价格下跌时,高速公路的交通量将大大增加。我们假设燃油价格的不确定性对韩国的公路交通量产生了这种不对称的影响。我们使用2001年至2009年的韩国月度燃油价格和公路交通量数据,并将月内(周度)燃油价格变化定义为月度燃油价格波动,以代替月度燃油价格不确定性。我们发现,燃油价格变化的方向对公路旅行需求有不对称的影响,燃油价格的不确定性导致驾驶员对燃油价格的变化做出不对称的反应。

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