An incentive in economics is anything that changes the costs or benefits of an action and can influence whether someone chooses it. A reward or lower cost can make an action more attractive; a penalty or higher cost can make it less attractive.
How incentives influence decisions
People choose among options by weighing their expected costs and benefits. An incentive shifts that comparison: it can change what a choice offers or what it requires, without determining what everyone will do. The Federal Reserve Bank of St. Louis explains this with everyday examples: extra points or money for good grades may make studying more attractive, while losing driving privileges for breaking a curfew may make staying out late less attractive. Federal Reserve Bank of St. Louis, “Incentives Are All Around Us”
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Examples of economic incentives
Prices
A price can influence both sides of a market. In the standard example, a higher price can encourage consumers to buy less while giving producers a reason to supply more. The response depends on the choices people and firms face; a price change does not guarantee a particular outcome.
Taxes, fees, and subsidies
A tax or fee raises the effective cost of an activity and can discourage it. A subsidy lowers a cost or adds a benefit and can encourage an activity. The U.S. Environmental Protection Agency also identifies marketable permits, emission taxes, fees, charges, and subsidies as economic incentives used in environmental policy. U.S. Environmental Protection Agency, “Economic Incentives”
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Non-monetary rewards and costs
Not every incentive is cash. Grades, access, privileges, time requirements, and other non-monetary consequences can change how attractive an option seems. The key is whether the factor affects the perceived costs or benefits of a choice.
How incentives relate to opportunity cost
Resources such as time and money are limited, so choosing one option means giving up another. Opportunity cost is the value of the next-best alternative forgone. An incentive changes the relative costs or benefits of the options; opportunity cost describes what the decision-maker sacrifices by choosing one of them. OpenStax, “How Individuals Make Choices Based on Their Budget Constraint”
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Why incentives do not always work as intended
An incentive influences behavior; it does not mechanically control it. A financial reward may interact with a person’s existing motivations, and in some situations incentives can weaken intrinsic motivation or otherwise produce counterproductive effects. A 2011 review by Uri Gneezy, Stephan Meier, and Pedro Rey-Biel discusses such effects in areas including education, public-good contributions, and health behavior. Gneezy, Meier, and Rey-Biel, “When and Why Incentives (Don’t) Work to Modify Behavior,” Journal of Economic Perspectives
Policy design also involves tradeoffs. The EPA notes that environmental incentives may raise equity concerns—for example, emissions trading could concentrate pollution in disadvantaged areas. Policy choices can also depend on the problem being addressed, uncertainty about costs and effects, competition, monitoring and enforcement, broader economic distortions, and policymakers’ objectives. No single instrument is best in every situation. U.S. Environmental Protection Agency, “Economic Incentives”
Quick Recap
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How to recognize an incentive
- Identify the action or choice being considered.
- Ask what changes: the expected benefit, the cost, or both.
- Consider which alternatives and opportunity costs matter to the decision-maker.
- Distinguish the intended effect from the actual response, which may vary across people and circumstances.
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