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# Effectual Demand

## Definition

The demand of those willing and able to pay the whole value of rent, labour, and profit required to bring a commodity to market, sufficient to effectuate its bringing to market, as distinguished from mere desire or absolute demand.

## Source Chapter

Book I, Chapter 7

## Context

Introduced as the key determinant of market price, contrasting with "absolute demand" through the example of a poor man's desire for a coach and six.

## Economic Domain

Exchange

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