Especially for cars, they sell you the product with a very low margin betting on high returns in after sales (spare parts). In the long term regulating spare pa

Especially for cars, they sell you the product with a very low margin betting on high returns in after sales (spare parts). In the long term regulating spare part prices would likely result in an increase of the full product price. Not sure if it good to regulate prices here, maybe it make sense to leave this task to the market (see third party spare parts vendors).