Indirect Preference Revelation (间接显示性偏好) Suppose x is revealed directly preferred to y, and y is revealed directly preferred to z. Then, by transitivity, x is revealed indirectly as preferred to z. Write this as XZ so×x y and yZ x> Z 北京大学经济学院 Slide12北京大学经济学院 Slide12 Indirect Preference Revelation （间接显示性偏好） • Suppose x is revealed directly preferred to y, and y is revealed directly preferred to z. Then, by transitivity, x is revealed indirectly as preferred to z. Write this as • so x y and y z x z. D p D p I p X Z I f