Linked from
The 15 pages that link to Willingness to pay, each with the reason it gives.
Cost–benefit analysisRelated: It offers a monetary measure for benefits without market prices.
UtilityCompared with: It can serve as a monetary proxy for value, but is not utility itself.
Market equilibriumRelated: It helps determine the demand underlying equilibrium.
PriceRelated: A buyer's willingness to pay helps determine whether a quoted price is acceptable.