前景理论模型强调初始财富和财富变化对犯罪选择的影响,而值函数(valuable function)与 权重函数 ( weighting function )是其中两个重要概念。值函数是决策者主观感受的价值,与参照点有关,取代了期望效用模型中的期望效用函数。
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弹簧常数用权重函数代替。
得到决策权重函数之后,建立了路径选择的动态模型。
After establishing the weighting function, dynamic choice model of travel route is established.
展望理论运用S状的价值函数和非线性的权重函数解释和预测框架效应。
An S-shaped value function and a nonlinear weighing function were employed by the prospect theory to explain and predict the framing effect.
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