Feasibility condition¶
The feasibility condition is a fundamental concept in microeconomics used in conjunction with the tangency condition to solve the consumer choice problem and derive the demand function.
Core Idea¶
Feasibility condition is treated here as the recurring consumer theory identity summarized by this source-grounded definition: The feasibility condition is a fundamental concept in microeconomics used in conjunction with the tangency condition to solve the consumer choice problem and derive the demand function. The feasibility condition is a fundamental concept in microeconomics used in conjunction with the tangency condition to solve the consumer choice problem and derive the demand function. It ensures that a consumer’s total expenditure on goods does not exceed their available income, forming the basis of the budget constraint in consumer theory.
Scope of Application¶
-
Documented setting. The feasibility condition is a fundamental concept in microeconomics used in conjunction with the tangency condition to solve the consumer choice problem and derive the demand function.
-
Documented setting. It ensures that a consumer’s total expenditure on goods does not exceed their available income, forming the basis of the budget constraint in consumer theory.
-
Documented setting. The condition states that total spending on all goods cannot exceed available income.
-
Documented setting. The general form of the feasibility condition for two goods is as follows.
-
Documented setting. where x and y are the quantities consumed of the two goods, p x and p y are their respective prices, and I is the income of the consumer.
Clarity¶
A clear use of Feasibility condition names the carrier, the operative relation, and the conditions under which the source treats the identity as present. The minimal definition is The feasibility condition is a fundamental concept in microeconomics used in conjunction with the tangency condition to solve the consumer choice problem and derive the demand function.
Manages Complexity¶
Feasibility condition compresses multiple consumer theory details into a stable diagnostic relation. The source shows both the central mechanism—it ensures that a consumer’s total expenditure on goods does not exceed their available income, forming the basis of the budget constraint in consumer theory.—and the practical consequence—the feasibility condition ensures that consumers make financially sustainable choices, preventing their expenditures from exceeding their income.
Abstract Reasoning¶
- Type the carrier. Identify the consumer theory entities to which the claim applies.
- State the relation. Use the source-grounded identity: The feasibility condition is a fundamental concept in microeconomics used in conjunction with the tangency condition to solve the consumer choice problem and derive the demand function.
- Check operation and conditions. The condition states that total spending on all goods cannot exceed available income.
- Demand recognition evidence. The general form of the feasibility condition for two goods is as follows.
- Test variation.
Knowledge Transfer¶
Within the home domain. Knowledge about Feasibility condition transfers literally when a new case preserves the same carrier type, relation, and recognition test. The feasibility condition is a fundamental concept in microeconomics used in conjunction with the tangency condition to solve the consumer choice problem and derive the demand function. It ensures that a consumer’s total expenditure on goods does not exceed their available income, forming the basis of the budget constraint in consumer theory. Beyond the home domain. Transfer the broader Constraint relation when the consumer theory-specific differentia cannot be filled.
Relationships to Other Abstractions¶
Current abstraction Feasibility condition Domain-specific
Parents (1) — more general patterns this builds on
-
Feasibility condition is a kind of Constraint Prime
Feasibility condition is a strict kind of Constraint: The feasibility condition is a fundamental concept in microeconomics used in conjunction with the tangency condition to solve the consumer choice problem and derive the demand function.
Hierarchy path (1) — routes to 1 parentless root
- Feasibility condition → Constraint
Neighborhood in Abstraction Space¶
Feasibility condition sits in a moderately populated region (52nd percentile for distinctiveness): it has near-neighbors but no dense thicket of look-alikes.
Family — Microeconomic Theory & Welfare Criteria (13 abstractions)
Nearest neighbors
- Composite Good — 0.88
- Budget-Feasible Mechanism — 0.86
- Theory of the second best — 0.86
- Household production function — 0.85
- Elasticity of intertemporal substitution — 0.85
Computed from structural-signature embeddings · 2026-10-08