Demand Curve
A higher price narrows the pool of willing buyers, filtering out people whose willingness or urgency to pay falls below the new threshold. The demand curve describes that direction of change, not how large the response will be.
Raise the price of the same product—without changing the product—and some buyers simply vanish. The higher number has acted as a filter, turning previously acceptable purchases into refusals.
E1Price redraws the buyer boundary
Each potential buyer has a point beyond which the purchase is no longer worth making. As price rises, it crosses more of those thresholds, so demand falls. This is the consumer side of a price signal: the price changes behavior as well as recording value. The supply-curve captures the corresponding producer-side response, where a higher price can make supplying the market more attractive.
E1Direction is not sensitivity
The curve alone does not tell you whether a price increase will lose one buyer or nearly everyone. That depends on how sharply demand responds—including buyers’ urgency and willingness to pay. Nor does falling demand automatically mean falling revenue: the gain per remaining sale must be weighed against the lost volume, the trade-off captured by the revenue-maximization-curve.
Map the buyers your new price excludes
Before changing a price, list the buyer groups in order of urgency or willingness to pay. Then test a small increase and measure which group’s purchases fall away; do not judge the change by margin per sale alone.
Episodes that teach this
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The Invisible Supply & Demand in Our Everyday Lives
· explained at 1:27
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"as the price of some good or service increases the demand for it is going to go down"