The Wealth of Nations Summary and Analysis of Book I. Adam Smith begins by stating that the greatest improvements in the productive power of labor lie in the division of labor. Even in the production of very simple products, division of labor always increases productivity exponentially.
An in-group is a group where we identify as being a psychological member and is a contrast to the out-group were the individual does not identify as a psychological member and is an example of the peer groups and family members and community and is a form of a joint group.
