(In contrast, Kenneth Arrow and Gérard Debreu continued to take the initial quantities of capital goods as given, but adopted a short run model in which the prices of capital goods vary with time and the own rate of interest varies across capital goods.)
（与之相反，肯尼斯·約瑟夫·阿羅与傑拉德·德布魯仍将资本品的初始数量视为给定，但采用了资本品价格随时间改变，资本品自身利率各异的短期模型。