Questions tagged [mwg]

This tag is for questions relating to the book "Microeconomic Theory" by Andreu Mas-Colell, Michael Whinston, Jerry Green

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Is possible that, in a choice structure $(B,C)$, $C(b) = \emptyset$, for some $b \in B$

It is a very simple question but with some implications. I just start reading Mas-Colell and it's not clear for me if it is possible a choice structure, $(B,C(.))$, where $\exists b \in B, C(b)= \...
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