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About: Unit demand     Goto   Sponge   NotDistinct   Permalink

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In economics, a unit demand agent is an agent who wants to buy a single item, which may be of one of different types. A typical example is a buyer who needs a new car. There are many different types of cars, but usually a buyer will choose only one of them, based on the quality and the price. If there are m different item-types, then a unit-demand valuation function is typically represented by m values , with representing the subjective value that the agent derives from item . If the agent receives a set of items, then his total utility is given by: