Transactional analysis, a social psychology theory originally developed by Dr. Eric Berne in the 1950s, can be used to improve communication and understand your own way of behaving and communicating.

Ever since the first classified ad appeared in the Boston News-Letter in 1704, many companies have built large businesses charging sellers (advertisers) to add supply (listings) to their marketplaces.

The very act of hiring an employee and negotiating his salary is an example of transactional leadership. This approach views work as a transaction in which tasks are performed in exchange for a ...