What are the main market imperfections and solutions?

The market does not provide social guarantees to the population, and they are introduced by the state.
Labor legislation regulates the rest time of employees, instructs employers to pay employees for illness or the period of caring for a small child, etc.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.