Stratification. Social Mobility

There are two different types of stratification systems: open system and closed system. Open system is a stratification system, in whic people can change their status with relative ease. Closed system is a stratification system, in which people have great difficulty in changing their status.
I think that there is a closed system in our country, because a person having nothing-valuable resources can’t change his social status. For example, ordinate engineer can’t suddenly become a bank officer with greater income. …