Sarah is considering purchasing a used car from a private seller named John. John claims that the car is in excellent condition and has never been…

Sarah is considering purchasing a used car from a private seller named John. John claims that the car is in excellent condition and has never been in an accident. However, John is aware that the car had significant damage in the past due to an accident, but he has repaired it without disclosing this information to Sarah. Based on the case described, what concept of economics does this scenario illustrate ?