不完全偏好的最大值定理
A Maximum Theorem for Incomplete Preferences
摘要:
我们扩展Berge的最大值定理,允许不完全的偏好。首先,我们提供了一个简单的版本的凸可行集和固定的偏好的最大值定理。然后,我们表明,如果,除了传统的连续性假设,一个新的连续性属性的可比性域持有,最大元素的限制,沿一系列的决策问题的极限问题中的最大元素。虽然这个新的连续性属性的域的可比性通常是不必要的最优性被保存的限制,我们提供的条件下,它是必要的和充分的。
英文摘要:
We extend Berge's Maximum Theorem to allow for incomplete preferences. We first provide a simple version of the Maximum Theorem for convex feasible sets and a fixed preference. Then, we show that if, in addition to the traditional continuity assumptions, a new continuity property for the domains of comparability holds, the limits of maximal elements along a sequence of decision problems are maximal elements in the limit problem. While this new continuity property for the domains of comparability is not generally necessary for optimality to be preserved by limits, we provide conditions under which it is necessary and sufficient.
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