Elastic demand for housing in a submarket means that:
Correct Answer
A) Buyers respond strongly to changes in price
Why this is correct: Elastic demand means the quantity demanded is highly responsive to price changes. In housing, this occurs when many substitutes are available; a small price increase causes buyers to choose alternatives, leading to a sharp drop in sales volume. Why the other choices are wrong: "Supply cannot respond to demand changes" describes inelastic supply, not elastic demand. "Prices remain fixed regardless of demand" contradicts the basic principle of market pricing. "The submarket has no close substitutes" describes inelastic demand, where buyers have few alternatives and are less sensitive to price changes. Exam tip: Elastic = buyers have options and react strongly to price. Inelastic = buyers have few substitutes and tolerate price changes.
Why This Is the Correct Answer
Elastic demand means buyers respond strongly to price changes, with quantity demanded shifting proportionally more than price.
Why the Other Options Are Wrong
Option B: Supply cannot respond to demand changes
The inability of supply to respond is supply inelasticity, a separate concept from demand elasticity.
Option C: Prices remain fixed regardless of demand
Fixed prices regardless of demand describes neither elasticity nor any real market condition.
Option D: The submarket has no close substitutes
An absence of close substitutes produces inelastic demand, since buyers have nowhere else to go.
Substitutes Make It Elastic
Substitutes Make It Elastic. Plenty of alternatives means buyers walk away; no alternatives means they pay.
How to use: Ask what else a buyer could purchase instead. The answer predicts how the submarket responds to price.
Exam Tip
Elasticity connects directly to the principle of substitution, which underlies the sales comparison approach.
Common Mistakes to Avoid
- -Confusing demand elasticity with supply elasticity
- -Reversing elastic and inelastic
- -Overlooking the role of substitutes
Concept Deep Dive
Analysis
Elasticity measures how strongly quantity demanded responds to a change in price. Elastic demand means a given price change produces a proportionally larger change in the quantity buyers want — raise prices and buyers withdraw quickly, lower them and they return. In housing, elasticity varies sharply by submarket and is driven mainly by the availability of substitutes. A submarket with many comparable alternatives nearby is elastic, because buyers can simply go elsewhere when prices rise. A submarket with few substitutes — a unique school district, a waterfront enclave, a downtown with no comparable location — is inelastic, and prices there can rise substantially before demand falls off. That distinction is directly useful in appraisal, because it predicts how sensitive values are to changes in price levels and how much weight to give substitution reasoning. The distractors describe supply inelasticity, fixed prices, and the absence of substitutes, which is the condition producing inelastic rather than elastic demand.
Background Knowledge
Price elasticity of demand measures the responsiveness of quantity demanded to price changes. Housing demand elasticity varies by submarket and depends largely on the availability of close substitutes.
Real-World Application
An appraiser notes that a subdivision with many similar competing developments shows elastic demand, with sales volume falling quickly as list prices rose.
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