1. Quaternary Economic Activity:
- Quaternary economic activities are associated with the creation and transfer of information, including research and training. Often called information industries.
- This level has been dramatic growth as a result of advancements in technology and electronic display and transmission of information, e.g., Television.
2. Quinary Economic Activity:
- Quinary economic activities refer to the high level decision making processes by executives in industries, business, education, and government.
- This sector include top executives or officials in the fields of science and technology, universities, health care etc.
