Many of us have bought used or pre-own cars (I have bought three in Dallas Texas) and had the experience of wondering if the price you were paying was fair, or if the car was a lemon under the Texas lemon law.
Back in 1970, economist George Akerlof examined this issue. He wrote a paper entitled “The Market for Lemons: Quality Uncertainty and the Market Mechanism.” While he took the used car market as an example, his writing was applicable to many more buyer/seller situations.
Two aspects of the used car transaction were important to Akerlof. Not all used cars (or new cars) are of the same quality – some are in good condition and are solid vehicles, while others have many defects and are undesirable for potential buyers. This wide range of conditions reflects the quality heterogeneity of the pool of vehicles.
The second aspect was the asymmetry of information between the seller and the buyer. The seller may know a great deal about the vehicle being sold while the buyer knows very little. Additionally, some buyers will be able to more accurately assess the true condition of the vehicle that they are purchasing.
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