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Multiagent Systems

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Prof. Dr. Jürgen Dix · Department of Informatics, TUC <strong>Multiagent</strong> <strong>Systems</strong>, WS 06/07 333/731<br />

4. Decision Making (2) 4. Market Mechanisms<br />

In general, there exist more than one<br />

equilibrium.<br />

Theorem 4.30 (Uniqueness)<br />

If the society-wide demand for each good is<br />

non-decreasing in the prices of the other goods,<br />

then a unique equilibrium exists.<br />

Positive example: increasing price of meat<br />

forces people to eat potatoes (pasta).<br />

Negative example: increasing price of bread<br />

implies that the butter consumption decreases.

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