Общественная стратификация /Eng./

What is Stratification?There are two different types of stratification systems: open system and closed system.Open system is a stratification system, in which people can change their status with relative ease.For example, ordinate engineer can’t suddenly become a bank officer with greater income.Person must have some capital, money, bank securities or intellectual capital.It varies according to how society is organized especially in terms of production and work.We will emphasize class.Mobility and stratification are related.What image does strata invoke as a model of the social world?Strata comes the natural sciences.