Study Notes
Asymmetric information occurs when one party in an economic transaction has more information than the other, leading to market failure due to resource misallocation.
- Asymmetric Information — a situation where one party has more information than the other in a transaction. Example: In a car sale, the seller knows more about the car's condition than the buyer.
- Adverse Selection — occurs when one party has more information about the quality of a product than the other. Example: Buyers of insurance know more about their health risks than insurers.
- Moral Hazard — occurs when one party takes more risks because they do not bear the full cost of those risks. Example: Insured individuals may take less care to prevent theft or accidents.
Exam Tips
Key Definitions to Remember
- Asymmetric Information
- Adverse Selection
- Moral Hazard
Common Confusions
- Confusing adverse selection with moral hazard
- Misunderstanding how asymmetric information leads to market failure
Typical Exam Questions
- What is asymmetric information? Asymmetric information is when one party in a transaction has more information than the other.
- How does adverse selection occur in the insurance market? Buyers know more about their health risks than insurers, leading to adverse selection.
- What is an example of moral hazard? Insured individuals may take more risks because they do not bear the full cost of those risks.
What Examiners Usually Test
- Understanding of how asymmetric information causes market failure
- Differences between adverse selection and moral hazard
- Government and private sector responses to asymmetric information