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Downs–Thomson paradox : ウィキペディア英語版 | Downs–Thomson paradox
The Downs–Thomson paradox (named after Anthony Downs and John Michael Thomson), also known as the Pigou–Knight–Downs paradox (after Arthur Cecil Pigou and Frank Knight), states that the equilibrium speed of car traffic on a road network is determined by the average door-to-door speed of equivalent journeys taken by public transport. It is a paradox in that improvements in the road network will not improve traffic congestion. In fact, improvements in the road network can make congestion worse, if the improvements make public transport more inconvenient, or if it shifts investment, causing disinvestment in the public transport system. ==Cause==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Downs–Thomson paradox」の詳細全文を読む
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