The ratchet effect refers to the irreversibility of people's consumption habits after the formation, that is, it is easy to adjust upwards, but it is difficult to adjust downwards.
 Boss Zhao's business failed. After selling his company's assets and real estate, he still owed the bank more than 200,000 yuan, but for the convenience of travel, he did not use his high-end car to repay the debt is eligible for the ratchet effect.