Incentives

An incentive changes what someone gains or gives up by acting. People may respond differently, so predict the mechanism rather than assuming everyone makes the same choice.

Lesson 2 of 33 parts Practice Flashcards
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Incentive and Marginal benefit

Objective: Explain incentive and marginal benefit, distinguish their meanings, and apply them to a described case.

Incentive: An incentive changes the benefits or costs associated with an action. Marginal benefit: Marginal benefit is the additional benefit from one more unit or action. Economic reasoning distinguishes feasible choices, preferences, and the alternatives displaced by an action. The relevant comparison is forward-looking and usually marginal: what changes if the decision changes? A monetary price does not measure every opportunity cost. Models isolate mechanisms by stating assumptions; they become misleading when those assumptions are hidden or when a prediction is treated as a moral judgment. Application: A deposit refund encourages returning a container. This most directly illustrates incentive. An extra study session improves preparation by a small amount. This most directly illustrates marginal benefit.

Worked examples

Try itOriginal teaching scenario: A deposit refund encourages returning a container. Which idea from this section does it most directly illustrate?Show answer

Step 1 — Read the observation: A deposit refund encourages returning a container. Step 2 — Recall the relevant idea: An incentive changes the benefits or costs associated with an action. Step 3 — Connect the observation to the idea: The scenario is an illustration of incentive. Step 4 — Check the limit: This short scenario illustrates the concept; it does not establish every detail or exclude every other influence in a real situation.

Try itOriginal teaching scenario: An extra study session improves preparation by a small amount. Which idea from this section does it most directly illustrate?Show answer

Step 1 — Read the observation: An extra study session improves preparation by a small amount. Step 2 — Recall the relevant idea: Marginal benefit is the additional benefit from one more unit or action. Step 3 — Connect the observation to the idea: The scenario is an illustration of marginal benefit. Step 4 — Check the limit: This short scenario illustrates the concept; it does not establish every detail or exclude every other influence in a real situation.

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