Re: [討論]偏好

[washburn (Just a game)]

※ 引述《Majestic (我家的貓不見客)》之銘言：
:         MasCollel and el.  Microeconomic Theory  p.46
:         Example 3.c.1: The Lexicographic Preference Relation.
:                                           2
:         For simplicity, assume that  X = R
:                                           +
:         Define x>= y if either "x1>y1" or "x1=y1 and x2>=y2"
                  ~~
                這裡應該不是 >=,
                而是 at least as good as.
                ( 也就是那個歪七扭八的 >= )

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