Topic 2 Paper: (Akerlof 1970) Flashcards
Summerise Akerloff’s paper, ‘The Market for Lemons’
Carved out the theory of adverse selection, where the inability of one side of a market to determine the quality of individual goods/services on the other, results the quality goods/services on the market being lowered, or the market collapsing. Considers applications in insurance, employment and the developing world.
What is the effect that causes Lemon Markets called?
Adverse Selection
What are the two properties that define lemon markets?
- Variable quality in goods/services
- Asymmetrical information about that quality
What is the result of a Lemon Market?
Bad sellers ‘drive out’ some or all of the good sellers
What is the result of adverse selection in insurance?
Unhealthy individuals are drawn to high coverage plans, this necessitates an increase in premiums which will drive out healthy individuals and raise insurance costs (for the insurer) further
Where does Akerloff see elements of ‘Lemon Markets’ in the real world?
- Not necessarily in the market for used cars
- In the developing world,
- quality assurance for exports
- high interest money lenders who know their clients personally
- market for insurance
- employment of minorities
Does Akerloff see any possibility to counteract adverse selection?
Yes
- Guaranties
- Brand names / Chains
- Signalling of various sorts