<p>The upper contour set is <span class="math-container">$ UC(x)=\{ y|y \succsim x \} $</span>, i.e., all the goods baskets that are at least as desirable as <span class="math-container">$x$</span>. Similarly, the lower contour set is <span class="math-container">$LC(x)=\{ y|x \succsim y \} $</span>, i.e., all the goods baskets that are at most as desirable as <span class="math-container">$x$</span>.</p>

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2018-12-21T11:50:18.490Z
2018-12-21T11:50:18.490Z
Patricio
<p>Mas-Colell, Winston and Green's Microeconomic Theory uses the notion of contour set, as shown hereunder:</p>

<p><a href="https://i.sstatic.net/RWWbC.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/RWWbC.png" alt="enter image description here"></a></p>

<p>In the context of Microeconomic Theory, what would be the definition of a contour set?</p>

<microeconomics>
Contour set in Mas-Collel, Winston and Green
Incognito
# Contour set in Mas-Collel, Winston and Green

(Asked by: username_0 on 2018-12-21)

Mas-Colell, Winston and Green's Microeconomic Theory uses the notion of contour set, as shown hereunder:

[![enter image description here](https://i.sstatic.net/RWWbC.png)](https://i.sstatic.net/RWWbC.png)

In the context of Microeconomic Theory, what would be the definition of a contour set?

**Tags:** microeconomics


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## 1 answers

### Answer by username_1 on 2018-12-21. Score: 2 | Accepted answer

The upper contour set is $ UC(x)=\{ y|y \succsim x \} $, i.e., all the goods baskets that are at least as desirable as $x$. Similarly, the lower contour set is $LC(x)=\{ y|x \succsim y \} $, i.e., all the goods baskets that are at most as desirable as $x$.


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